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How Has a Year Without Tourists Impacted the Overtourism Problem?
All press is good press — until that press goes too well. Although the Netherlands’ beautiful, canal-filled city of Amsterdam garners about $91.5 billion a year through tourism, the city and its residents feel more overwhelmed than grateful. In 2018, a whopping 18 million people visited Amsterdam, and experts estimate that number will climb to 42 million visitors by 2030. Longtime resident Ellen van Loon told CNN , “We [the Dutch] don’t want to turn into a Venice.”
Italy’s similarly canaled destination attracts 28 million visitors annually — while 2,000 residents abandon the city each year due to those same tourists. Of course, Amsterdam and Venice aren’t the only cities that have become synonymous with overtourism. In fact, hotspots all over the world, from beaches in Thailand to ancient sites in Peru, have simply attracted too many curious tourists. This phenomenon, known as overtourism, has led to environmental and ecological damage as well as a great deal of strain for locals who must navigate living amongst tourists and their economic impact.
Of course, the COVID-19 pandemic has stymied travel, shutting down airports, cities, borders and entire nations. According to the U.S. Travel Association , travel spending declined by an unheard of 42% in 2020; international and business travel suffered the most, with spending falling 76% and 70%, respectively. So, after a year of virtually no tourism, how are these (normally too heavily traveled) places, and the people that call them home, faring?
How Overtourism Impacts Some of the World’s Most Beautiful Destinations
Be it an ancient site, a crowded city or a place of natural splendor, popular destinations all feel the effects of overtourism differently. For example, Rapa Nui — often known to westerners as Easter Island — faces preservation issues, especially when it comes to the island’s famed moai sculptures. Meanwhile, the Galápagos Islands, the fragile and isolated ecosystem Charles Darwin popularized, has put a cap on how many visitors can travel to the archipelago each year. And in hotspot cities like Barcelona, Spain, locals are so furious with the unprecedented jump in tourists that they’ve coined a term to describe what overtourism is doing to the city: parquetematización — or the act of becoming a theme park.
Some of the other most heavily impacted destinations include:
- Santorini, Greece: Greece as a whole may be on the brink of an overtourism crisis. In 2018, the country hosted an unprecedented 32 million visitors, whereas back in 2010, that figure was closer to 15 million. The Greek National Tourism Organisation says it plans to strategically extend what is considered the summer holiday period so the influx of tourists doesn’t “[move] beyond the carrying capacity of the environment.” Of all locales, the small island of Santorini has been hit hardest, garnering a whopping 5.5 million annual visitors.
- Machu Picchu: Peru’s most well-known Inca citadel is one of those destinations everyone puts on their bucket list. Unfortunately, this wonder of the ancient world wasn’t built to sustain the more than 1.2 million tourists that trek to the archeological site annually. Since Peru can’t just close its most popular tourist spot, a new ticketing system was implemented in 2017 to promote preservation.
- Koh Tachai, Thailand: Like most Thai marine parks, Koh Tachai, an island in Similan National Park, is closed every May through October for the monsoon season. But in 2016, the park didn’t reopen. The beautiful beaches had been overrun with 14 times the number of people experts said the beaches should hold. Officials decided to close the island for rehabilitation, although many fear the damage is irreparable. In addition to problems related to general overcrowding, inexperienced divers — who were more concerned with photographs than their surroundings — damaged the island’s fragile reefs. As of 2019, Koh Tachai is closed to tourists indefinitely.
- Dubrovnik, Croatia: Although it joined UNESCO’s list of World Heritage Sites back in 1979, Dubrovnik only recently emerged as one of the Mediterranean’s top tourist destinations. Unfortunately, locals claim the Old City’s historic cathedrals, fortresses and buildings have swelled with Disneyland-level crowds — due to the popularity of HBO’s Game of Thrones and the sheer number of cruises it brings in.
- Boracay, Philippines: Boracay is known for having some of the most beautiful beaches in the world. But those beaches were closed to tourists in 2018 by the president of the Philippines. An estimated 1.7 million travelers visited the island within a 10-month period, raising major infrastructure concerns — namely in terms of sewage treatment.
How Has a Year Without Tourists Impacted These Normally Heavily Trafficked Places?
Cruises were one of the first aspects of the travel industry to shut down in 2020. In fact, the Centers for Disease Control and Prevention (CDC) found that between February 3 and March 13 roughly 200 COVID-19 cases in the U.S. were linked to cruise ship passengers. Soon enough, halts on air travel and widespread lockdowns followed.
In Venice, a city that’s usually visited by upwards of 32,000 cruise ship passengers a day, the pandemic has completely changed the day-to-day energy of life there. “Everyday life is a lot more pleasant without the congestion created by the crowds of tourists that came in large groups,” Venice resident Jane da Mosto told CNN Travel .
Of course, that calmer way of life comes at a cost financially. The reprieve from tourists has had that same dual impact the world over. Now, in light of the pandemic, only 75 people are allowed in Machu Picchu at a time, which translates to just under 700 visitors a day. That’s hundreds less than the norm — and, while it’s better for the ancient site, the financial impact will certainly be felt. While experts predict that the travel industry will bounce back, COVID-19 has definitely upset the industry’s stability — largely because the pandemic, and various countries’ reactions to it, are so unpredictable.
Still, some see the pandemic as a disruption to a vicious, seemingly unbreakable cycle. With overtourism, governments often make tradeoffs to keep the cash flowing in, only to scramble for solutions to restore environments and structures or appease upset locals. With this in mind, World Politics Review brings up an interesting question: “Should business-as-usual be salvaged at any cost, or is now the chance to create a smaller, slower and more sustainable model of global tourism?” While the COVID-19 pandemic may have only put a temporary pause on tourism, the pause itself could be a chance to recalibrate, to figure out a way to end overtourism once and for all.
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Pre-Algebra : Word Problems with Two Unknowns
Study concepts, example questions & explanations for pre-algebra, all pre-algebra resources, example questions, example question #1 : word problems with two unknowns.
Combined, Megan and Kelly worked 60 hours. Kelly worked twice as many hours as Megan. How many hours did they each work?
Megan worked for 20 hours and Kelly worked for 40 hours
Megan worked for 40 hours and Kelly worked for 10 hours
Megan worked for 15 hours and Kelly worked for 45 hours
Megan worked for 10 hours and Kelly worked for 50 hours
Megan worked for 30 hours and Kelly worked for 60 hours
Step 1: Megan and Kelly's total hours worked needs to add up to 60, and Kelly worked two times as long as Megan. We can put this into a formula:
Step 2: substitute 2m for k and add the variables
Step 3: isolate m
Step 4: Now that we know Megan worked 20 hours (m=20), we can multiply her hours worked by 2 to find out how long Kelly worked.
Step 5: check to make sure Megan and Kelly's hours add up to 60
Example Question #2 : Word Problems With Two Unknowns
Jamal invites 15 people to his birthday party and orders enough cupcakes so that everyone (himself included) will get two cupcakes. How many cupcakes can everyone have if only 7 friends show up to Jamal's party?
Step 1: find the number of cupcakes ordered by adding up all of the people at the party and then multiplying that number by the 2 cupcakes ordered per person.
Step 2: to find the number of cupcakes each person can have, take the number of cupcakes and divide it by the number of guests, including Jamal.
Example Question #3 : Word Problems With Two Unknowns
Michael and Tom are brothers. Their combined age is 20, and Tom is 4 years older than Michael. What are Michael and Tom's ages?
Tom is 10 years old and Michael is 4 years old.
Michael is 8 years old and Tom is 12 years old.
Tom is 16 years old and Michael is 4 years old.
Michael is 12 years old and Tom is 8 years old.
Michael is 10 years old and Tom is 10 years old.
To solve this, we can set each of their ages as a variable. Let's say Michael's age is x.
We know Tom is 4 years older than Michael, so Tom's age is x+4.
We also know that their combined age is 20, so if we add both of their ages, we should get 20.
x + (x+4) = 20
So Michael's age is 8, and Tom is 12.
Example Question #4 : Word Problems With Two Unknowns
Sarah earns $10 an hour selling calculators, and every time she sells a calculator, she earns an additional $3 comission. Jamie also sells calculators, and earns $30 an hour, but only earns an additional $1 comission for every calculator she sells.
How many calculators per hour on average would Sarah have to sell to be making as much as Jamie would per hour, if Jamie sold the same number of calculators?
Answer cannot be determined from the information given
Example Question #5 : Word Problems With Two Unknowns
11 dimes and 10 quarters
14 dimes and 7 quarters
12 dimes and 12 quarters
7 dimes and 14 quarters
10 dimes and 11 quarters
Simplifying further we get
We then want to combine like terms (the d s)
We then want all of our variables on one side and all of our constants on the other, which we can accomplish by subtracting 525 from both sides.
That means Jamarcus has 7 dimes. If we remember that he had 21 coins in all, that leaves 14 quarters. Jamarcus has 7 dimes and 14 quarters.
We can double check ourselves. Seven dimes would total $0.70, and 14 quarters would total $3.50, bringing the grand total to the correct value of $4.20.
Example Question #6 : Word Problems With Two Unknowns
The sum of two numbers is 128. The first number is 18 more than the second number. What are the two numbers?
We can then combine like terms (our variables), giving us
We then want all of our constant terms on the right side, which we can accomplish by subtracting 18 from both sides.
The last step to solving the equation is to divide both sides by 2.
Therefore, our second number is 55. Since our first number is 18 more than that, it must equal 73. Double checking, we can confirm that the sum of 55 and 73 is indeed 128.
Example Question #7 : Word Problems With Two Unknowns
Turn the word equation into symbols.
The product of three and s and the difference of 12 and 7 is 14.
We need to translate the English words into a mathematical statement.
Product means multiply.
Difference means subtraction.
Is means equals.
Product of 3 and s is 3s.
Difference of 12 and 7 is 12 - 5.
Therefore, the equation becomes,
Example Question #8 : Word Problems With Two Unknowns
There are a total of 14 coins when dimes and nickels are combined. The total amount is 80 cents. How many dimes and nickels are there, respectively?
Write two equations to represent the scenario. There are two equations and two unknowns.
Nickels are 5 cents, and dimes are 10 cents. The total is 80 cents. Write the second equation.
Multiply the second equation by 10 and use the elimination method to cancel out the dimes variable.
There are 12 nickels.
Substitute this into the first equation to find the number of dimes.
There are 2 dimes and 12 nickels.
Example Question #9 : Word Problems With Two Unknowns
You go to the store and buy x bags of carrots and y bananas. Each bag of carrots costs $1.50 and each banana is $0.25. You spend $6.50. The total number of items you purchase is 11. How many bags of carrots did you buy? How many bananas did you buy?
6 bags of carrots, 5 bananas
5 bags of carrots, 6 bananas
3 bags of carrots, 8 bananas
4 bags of carrots, 7 bananas
8 bags of carrots, 3 bananas
Given the information, we have 2 equations. We know each bag of carrots is $1.50 and each banana is $0.25. We also know the total amount we spend is $6.50. So, we can write the equation
where x is the number of bags of carrots and y is the number of bananas.
We also know the total number of items we purchased is 11. We can write the equation as
where x is number of bags of carrots and y is the number of bananas.
To solve, we will solve for one variable in one equation and substitute it into the other equation. So,
Now, we can substitute the value of y into the first equation. We get,
We distribute.
We combine like terms.
We solve for x by getting x alone.
Therefore, the number of bags of carrots we bought is 3. To find the number of bananas, we simply substitute x into the equation.
Therefore, the number of bananas we bought is 8.
So we bought 3 bags of carrots and 8 bananas.
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- Number, Addition and Subtraction
Problems with two unknowns
- Mastery PD Materials
Spine 1: Number, Addition and Subtraction – Topic 1.31
Introduction
Equip children with strategies for solving problems with two unknowns, including using the bar model to represent relationships between known numbers, and working systematically.
Teaching points
- Teaching point 1 : Problems with two unknowns can have one solution or more than one solution (or no solution). A relationship between the two unknowns can be described in different ways, including additively and multiplicatively.
- Teaching point 2 : Model drawing can be used to expose the structure of problems with two unknowns.
- Teaching point 3 : A problem with two unknowns has only one solution if the sum of the two unknowns and the difference between them is given ( ‘sum-and-difference problems’ ) or if the sum of the two unknowns and a multiplicative relationship between them is given ( ‘sum-and-multiple problems’ ).
- Teaching point 4 : Other problems with two unknowns have only one solution.
- Teaching point 5 : Some problems with two unknowns can’t easily be solved using model drawing but can be solved by a ‘trial-and-improvement’ approach; these problems may have one solution, several solutions or an infinite number of solutions.
Teacher Guide
Representations, all year 6 files, related pages.
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Solve equations with two unknowns
Subject: Mathematics
Age range: 7-11
Resource type: Worksheet/Activity
Last updated
22 February 2018
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Year 6 Spring Block 2 TS10 Solve problems with two unknowns
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This PowerPoint will help children to understand the tricky concept of finding pairs of numbers that satisfy an equation with two unknowns. Through a mixture of examples and practice they will learn how to complete the equations and know that there can sometimes be infinite possibilities to the two variables.
- Key Stage: Key Stage 2
- Subject: Maths
- Topic: Formula and Expressions
- Topic Group: Algebra
- Year(s): Year 6
- Media Type: PowerPoint
- Resource Type: Teaching Resource
- Last Updated: 28/09/2022
- Resource Code: M2PAT118
- Spec Point(s): Find pairs of numbers that satisfy an equation with two unknowns. Enumerate possibilities of combinations of two variables.
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Solve equations with two unknowns
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Print/download our free resources, plus a 7 day free trial with 5 further sets of worksheets and unlimited game plays. Email. Password.