Find the Percent of Change
Find the percent of decrease from 62 trees to 31 trees. Round the percent to the nearest tenth if necessary.
50%
Find the total cost to the nearest cent.
$18 breakfast; 7% tax.
$19.26
Find the sale price to the nearest cent.
$140 coat; 10% discount
$126.00
Find the percent error for the estimate and actual value. Round the percent to the nearest tenth if necessary.
estimate: $95
actual value: $100
5%
Find the simple interest earned, to the nearest cent, for the principal, interest rate, and time.
$530, 6%, 1 year
$31.80
Find the percent of increase from 8 feet to 10 feet. Round the percent to the nearest tenth if necessary.
25%
Find the total cost to the nearest cent.
$24 shirt; 6% tax
$25.44
Find the sale price to the nearest cent.
$80 boots; 25% discount
$60.00
Maya estimates that the wait time for her favorite roller coaster is 35 minutes. The actual wait time is 55.5 minutes. What is the percent error of Maya’s estimate? Round the percent to the nearest tenth if necessary.
36.9%
Raymond purchases concert tickets online for $43.50. There is a 3% processing fee. What is the total cost of the tickets? Round to the nearest cent.
$44.81
Find the percent of decrease from $60 to $48. Round the percent to the nearest tenth if necessary.
20%
Robert spends $30.45 before tax at the bookstore. If the sales tax rate in his city is 7.25%, what is the total cost of his purchase?
$32.66
A toy store is having a sale. A video game system has an original price of $99. It is on sale for 40% off the original price. Find the sale price of the game system. Round to the nearest cent.
$59.40
A mayor estimates that 4,000 people will attend the first day of the county fair. A total of 8,400 people actually attend the first day of the fair. What is the percent error of the mayor’s estimate? Round the percent to the nearest tenth if necessary.
52.4%
Mrs. Hollern works in a jewelry store and earns an 8.5% commission on every piece of jewelry she sells. How much commission would she earn for selling a necklace that costs $4,600?
$391.00
When Ricardo was 9 years old, he was 56 inches tall. Ricardo is now 12 years old and he is 62 inches tall. Find the percent of increase in Ricardo's height. Round the percent to the nearest tenth if necessary.
10.7%
Jack wants to buy a coat that costs $74.95. The sales tax rate in his city is 6.12%. What is the total cost for the coat? Round to the nearest cent.
$79.54
Find the sale price to the nearest cent.
$45 suit; 20% discount
$36.00
Oliver estimates the weight of his cat to be 16 pounds. The actual weight of his cat is 14.25 pounds. What is the percent error of Oliver's estimate? Round the percent to the nearest tenth if necessary.
12.3%
Ethan put $1,250 into a savings account. The account pays 4.5% simple interest on an annual basis. If he does not add or withdraw money from the account, how much interest will he earn after 2 years? Round to the nearest cent.
$112.50