Solving Percents
Solving for Taxes
Solving for Tips
Solving for Discounts
Solving Percent of Change
A Mixed Bag
100

This is the proportion used to solve for percent.

What is:  IS     =     %

              OF           100

100

This is what a percent increase and percent decrease is.

What is when a value is increased or decreased by a certain percentage, which is added or subtracted from the original amount.

100

This is the definition of tip and the recommended tip amount.

What is the amount of money paid in addition to the amount owed for a service, when staff are paid on commission. The recommended amount is between 15 and 20%.

100

This is the definition of a discount. 

What is a percentage of the total amount that is subtracted from the total amount. 

100

These are the steps to solve for the percent of change.

What is first, find the amount of change by subtracting the original amount FROM the new amount.  Next, set up a proportion by putting the changed amount over the original amount and x over 100.  Solve for x.

100

If 20 gallons represents 100% this is the number of gallons at 75%.

What is 15 gallons.

200

This is the PROPORTION SET UP for the question:

What is 45% of 62?

  What is    x   =     45

                 62        100

200

Tax is a percent increase- True or False?

What is true.

200

This is the amount of tip Chelsea is expected to leave for her meal which cost $22.

What is $4.40.

200

This is a 50% discount amount for a book that costs $86.

What is $43.

200
The answer, when subtracting the original amount from the new amount is negative, which means the percent change is this. 

What is percent decrease.

200

150 is 20% of this number.

What is 750.

300

This is the solution to:


290% of what number is 69.

What is 200.1

300

Jazmyne went shopping and spent $126.40 before tax.  At 6%, the amount she will pay in tax for $126.40 is this. 

What is $7.58.

300

This is the total amount that Natalie is expected to leave for her meal which cost $89.

What is $106.80.

300

This is the total amount to be paid if a 30% coupon was used on an item costing $98.

What is $68.60.

300

A pair of shoes originally cost $60, but are on sale for $45.  This is the percent of change.

What is -25% decrease. 

300

The Kyle family spent $89.60 at Chilies.  They gave their server a 15% tip.  This is the total amount they paid. 

What is $103.04.

400

This is the answer to 74 is what percent of 135.

What is 55%

400

Mary went to the pet shop and spent $156.  The tax is 6% on the $156.  This is the amount she will pay in total.

What is $165.36.

400

The cost for 3 large pizzas and 4 drinks is $48.  The total amount including the 20% tip is this.

What is $57.60.

400

Elvis bought a guitar that was originally $25,680 and used a coupon for a 35% discount.  This is the total amount that Elvis paid when the 35% was deducted from the $25,680.  

What is $16,692.

400
Disney calculated that in 2015, 18,000 people used the "Fast Pass".  This year, 25,000 used the "Fast Pass".  This is the percent of change rounded to the hundredth place. 

What is an increase of 38.89% increase.

400

In 2006, 13,896 people entered the Harvard Yard Arena.  In 2018, 14,201 entered.  This is the percent of change.

What is 2.19% increase.

500

This is the solution to 80% of what is 128.4?

What is 160.5

500

John is buying a new baseball bat which costs $315.  The tax is 6%.  This is the total John will pay for the bat.

What is $333.90.

500

Sue and Ted decided to pay for their friends meal, as well as their own.  Their meal was $68 and their friends was $67.50.  The total amount for both meals, with the 20% tip is this. 

What is $162.61.

500

Jason had $67 saved to buy a game for his Nintendo Switch.  The game costs $78, but he has a coupon for a 15% discount.  Showing your work, Jason will or will not have enough money for the new game. 

What is that Jason will have enough money, as the game with discount costs $66.30.

500

100 books were donated to the Library in 2018.  A 50% increase is expected next year.  This is the total number of books expected to be collected in 2019.

What is 150 books.

500

The bill for your meal, without tax is $23.89.  This is the total amount you will need to pay when leaving a 18% tip and paying the 6% tax.  

What is $29.88.