Vocabulary
This is the decrease from the original price of an item to its sale price.
Answer: markdown
Find 57% of 690
Answer: 393.3
What percent of 19 is 4.75?
Answer: 25%
part = percent • whole
4.75 = percent • 19
4.75 ÷ 19 = 0.25 or 25%
Gabriel estimates that the distance to a nearby city is 10 miles. If the actual distance is 8.9 miles, what is the percent error of Gabriel's estimate?
Answer: 11%
error = |estimate - actual| = |10 - 8.9| = 1.1
error ÷ actual = 1.1 ÷ 10 = 0.11 or 11%
Levi buys a used car for $7,200 and plans to sell it on his used car lot. What is the price of the car after a markup of 15%?
Answer: $8,280
The initial amount of money that is deposited in an account or borrowed in a loan.
Answer: principal
Find 160% of 98
Answer: 156.8
There are 45 students who play a woodwind instrument in the school band. Of these, 18 play the saxophone. What percent of these students play the saxophone?
Answer: 40%
part = percent • whole
18 = percent • 45
18 ÷ 45 = 0.4 = 40%
Last year, attendance at the Fall Festival was 650 people. This year, attendance was 575. What was the percent change in attendance?
Answer: about 12% decrease
change in attendance = 650 - 575 = 75
change ÷ original = 75 ÷ 650
approx 0.12 or 12%
Emily buys a purse for $90 then sells it at her store for $135. What is the percent markup on the purse?
Answer: 50%
This describes how much a quantity has changed relative to its original amount.
Answer: percent change
Find 0.8% of 1,046 (round to the nearest tenth)
Answer: 8.4
Alex earns a 6% commission on each house he sells. If he sells a house for $180,000, how much does he earn in commission?
Answer: $10,800
part = percent • whole
part = 0.06 • 180,000 = 10,800
Jen's German shepherd puppy weighed 16 pounds at the age of 2 months. The puppy weighed 60 pounds at the age of 8 months. What is the percent change in the puppy's weight?
Answer: 275%
change in weight = 60 - 16 = 44
new ÷ old = 44 ÷ 16 = 2.75 = 275%
Annabelle wants to buy a sweater that had an original price of $55 but is now on sale for 20% off. What is the cost of the sweater now?
Answer: $44
The accuracy of a measured or estimated value compared to its actual value.
Answer: percent error
On Thursday, a restaurant serves iced tea to 35 of its 140 customers. What percent of the customers order iced tea?
Answer: 25%
Mr. Abbott paid $78 sales tax on a new camera. If the sales tax rate is 6.5%, what was the cost of the camera?
Answer: $1,200
part = percent • whole
78 = 0.065 • whole
78 ÷ 0.065 = 1,200
Maiah estimated that she would read 250 pages last week. She read 290 pages. What is the percent error of Maiah's estimate? Round to the nearest whole percent.
Answer: about 14%
error = |estimate - actual| = |250 - 290| = 40
error ÷ actual = 40 ÷ 490
approx 0.14 or 14%
A bike store sells scooters at a 54% markup. If each scooter sells for $69.30, then what is their cost before the markup?
Answer: $45
Interest that is only applied to the initial amount.
Answer: simple interest
24.94 is 29% of what number?
Answer: 86
Jack can long-jump 195% of his height with a running start. If Jack can long-jump 97.5 inches, how tall, in inches, is he?
Answer: 50 inches
part = percent • whole
97.5 = 1.95 • whole
97.5 ÷ 1.95 = whole = 50 inches
Judah's chihuahua puppy weighed 19 ounces at the first visit to the vet. At the second visit, it had gained 9 ounces. By the third visit, the puppy had gained another 7 ounces. What is the percent increase since the first visit in the puppy's weight, rounded to the nearest percent?
Answer: 84%
7 + 9 = 16 ounces in weight gain
new ÷ original = 16 ÷ 19
approx 0.84 or 84%
Justin took out a 4-year loan to buy a car at a 4% simple interest rate. If he has to pay $240 in interest, how much principal did he borrow?
Answer: $1,500