Percent of Change
Last year, a total of 450 people attended the fall concert. This year, 720 people attend the fall concert. What is the percent of increase in attendance?
60% increase
Enrique wants a skateboard that cost $68. The sales-tax rate in his city is %. What is the total cost of the skateboard?
What is 72.42
Jonas received an email offer stating he could get 45% off the price of a new surfboard. The surfboard has an original price of $325. What is the sale price of the surfboard?
What is $178.75
Megan opened a savings account with a
$500 deposit. The account pays 1.25% simple interest each year. If she neither adds nor withdraws money from the account, how much interest will she earn after3 years?
What is $18.75
Reba sells musical instruments and earns a 4.5% commission on every instrument she sells. How much commission would she earn if she sold $17,525 worth of instruments? Round to the nearest cent.
What is $788.63
Thomas estimates that he will earn $3,200 in commission this month. He actually earns $3,500. What is the percent error of Thomas’s estimate? Round to the nearest tenth of a percent, if necessary.
What is 8.6%
The manager of a sporting-goods store raises the price of a basketball from $16.75 to $18.50. What is the percent of increase in the price? Round to the nearest tenth if necessary.
What is 10.4% increase
Carmen wants to subscribe to a streaming service that costs $42.99 per month. The sales-tax rate in her city is 5%. What is the total cost of the streaming service each month?
What is $45.14
The original price of a fitness tracker is $85. It is on sale for 10% off. What is the sale price of the fitness tracker?
What is $78.50
A local camping store deposited $12,000 into a savings account. The account pays 2.5% simple interest. If the store does not add or withdraw money from the account, how much interest will the store earn after 8 months?
What is $200.00
Tino sells tractors and earns a 3.75% commission on every tractor he sells. How much commission would he earn for selling a tractor that cost $8,995? Round to the nearest cent.
What is $337.31
Robert estimates the weight of his dog to be 32 pounds. His dog actually weighs 28.25 pounds. What is the percent error of Robert’s estimate, rounded to the nearest tenth?
What is 13.3%
Last year, 780 students purchased school pictures. This year, 620 students purchased pictures. What is the percent of decrease in the number of pictures purchased? Round to the nearest tenth if necessary.
what is 20.5% decrease
Rhonda spends $129.95 on camping equipment before tax. The sales-tax rate in her city is 8.25%. What is the total cost of Rhonda’s purchase?
What is $140.67
Gina received a 30% discount on a new pair of glasses. The sale price of the glasses was $49.95. What was the original price of the glasses? Round to the nearest cent.
What is $71.36
Tegan’s aunt deposited $4,000 into a savings account for her. The account pays 4.5% simple interest each year. If she neither adds nor withdraws money from the account, how much interest will she earn after 20 months?
What is $300.00
Miguel wants to earn at least $750 this month in commission. What is the minimum amount he needs to sell if he earns a 2.3% commission on everything he sells? Round to the nearest dollar.
What is 32,609
A building contractor estimates the length of a sidewalk as 50 feet. The sidewalk actually measures 48 feet. What is the percent error of the contractor’s estimate, rounded to the nearest tenth?
What is 4.2%
Last month, Paulina earned $520.60. This month, she works overtime and earns $601.30. What is the percent of increase in Paulina’s earnings? Round to the nearest tenth if necessary.
What is 15.5% increase
A dog groomer charges $39.50. The dog’s owner wants to give a 15% tip. What would be the total cost, including the tip? Round to the nearest cent.
What is $45.43
A softball bat and glove are on sale for $89.95. If the sale price is discounted 10% from the original price, what was the original price? Round to the nearest cent.
What is $99.94
Casey borrows $3,200 for a computer system at a rate of 4.25% per year. How much simple interest will he owe if he takes 4 months to repay the loan? Round to the nearest cent.
What is $45.33
Angelica purchases $25.75 worth of cosmetics online. There is a 2% processing fee. What is the total cost of the cosmetics? Round to the nearest cent.
What is $26.27
Raylin estimates that an antique toy car will sell for $70 at auction. The toy car actually sells for $52.50. What is the percent error of Raylin’s estimate, rounded to the nearest hundredth?
What is 33.33%
A store owner buys a scooter for $40.99 and sells it for $94. What is the percent of increase for the price of the scooter? Round to the nearest tenth if necessary.
What is 129.3% increase
The Playground Center purchases swing sets for $385.99. It sells the swing sets for $598.99. What is the percent of markup? Round to the nearest percent.
What is 55%
At the Playground Center, the “big slide” playground is on clearance for 25% off. There is an additional 10% off for customers paying with cash. If the playground originally cost $1,200, what is the final price after all discounts have been taken?
What is $810
The Kennedy Club borrows $1,100 from the bank for a new stove. The interest rate is
6.5% per year. How much simple interest will it pay if it takes 20 months to repay the loan? Round to the nearest cent.
What is $119.70
Ramona purchases three baseball cards online for $72.50. There is a 2% processing fee. What is the total cost of the baseball cards? Round to the nearest cent.
What is $73.95
An order of animal feed should contain
95 bags of chicken feed. The order actually has 82 bags of chicken feed. What is the percent error, rounded to the nearest hundredth?
What is 15.85%