Shopping
Percent Change
Part vs Whole
I = Prt
Percent Error
100
Alyssa has her eye on a $52 coat. This weekend it is going to be marked 25% off. How much will she save?
What is $13.
100
A year ago Scott was 60 inches. He grew and now is 63 inches tall. What is the percent increase in his height?
What is 5%
100
Morgan received a 78/80 on her last test. What percent of the questions did she get right?
What is 97.5%.
100
Anazia deposited $150 in the bank at 5.5% for 4 years. How much did she earn in interest?
What is $33.
100

Margot expected to get a $150 bonus. She only received $100. What is the percent error?

What is 50%

200
Alex saved 20% by buying a video game when it was on sale. If his savings were $6.40, what was the regular price of the video game?
What is $32.
200
At the beginning of the school year, Aekta's allowance was $8/week. After working really hard all school year, her parent's decided to give her a 30% raise. How much more money does she get each week?
What is $2.40.
200
Sarah can spend 20% of her savings to buy a new filter. If she has $230 in savings, how much can she spend on the filter?
What is $46. (might be enough for 2:))
200
Sam deposited $350 into a savings account that paid 5% in simple interest. When he withdrew his money 8 months later, how much interest did he receive?
What is $11.67.
200

Jackson thought he studied for 2 hours. He only studied for 1.5 hours. What is his percent error?

What is 33.3%

300
Menna bought 2 filters at $14 each for Sarah and Leah. What is the amount of tax owed if the tax rate is 8%?
What is $2.24.
300
Mrs. Garbach's sleep total was reduced from 10 hours per night to only 6. What was the percent decrease?
What is 40%.
300
20% of 7th grade blue team students have been to Canada. If 23 students have been to Canada, how many students are on the Blue Team?
What is 115 students.
300
Stephanie borrowed $4000 from a bank the charges 8% simple interest. After 2 years she paid off the loan. What was the total amount she repaid?
What is $4640.
300

A recipe calls for 2 1/4 cups of flour. Malik only had 2 cups of flour. What is his percent error?

What is 12.5%

400
Donovan buys new sneakers that cost $92. If the sales tax is 8%, find the total cost for the sneakers.
What is $99.36.
400
Robby's total miles he ran for the week, increase from 5 miles to 14 miles, by the end of the track season. What was his percent increase?
What is 180%.
400
Maelys earned $52 in commission selling magazine subscriptions at Corn Hill. If this represents 8% of her total sales, how much were her sales?
What is $650.
400
Sophie took out a 4 year loan of $8000. The interest rate was 10½. What was the total she paid back after 4 years?
What is $11360.
400

A pizza parlor sells dough to make pizza at home, and claims each package has 16 grams of dough. When you weigh your dough, you only have 15.8 grams. What is the percent error?

What is 1.26%

500
Jayna is buying a new computer that cost $320. If the computer is reduced 20%, what is the sales price?
What is $256
500
Jenna and Ami were featured on TLC's show Extreme Couponing! While their total bill came to $246.20, they only paid $241.08. What was the percent of decrease? (round to the nearest 100th)
What is 2.08%.
500
Vanissa earned $4200 at 3% commission on the sale of a house. What is the total amount the house sold for?
What is $140000.
500
Emily earned $9 in interest on $1200 she deposited in the bank for 9 months. What was the interest rate?
What is 1%.
500

When cooking turkey for Thanksgiving, the turkey should come to 165 degrees fahrenheit. Your turkey measured at 157.4 degrees fahrenheit. What is your percent error?

What is 4.8%

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