Math 7: Topic 3 Review

Jocelyn estimates that a piece of wood measures 5.5 cm. If it actually measures 5.62 cm, what is the percent of error of Jocelyn’s estimate?

• About 2%

• About 98%

• About 21%

Emerson struck out 112 times in 350 at-bats. What was her percent of strikeouts per at-bats?

• 32%

• 68%

• .32%

• .68%

A department store sells a pair of shoes with an 87% markup. If the store bought the pair of shoes for $55.25, what is the selling price to the nearest dollar?

• $103

• $104

• $48

April took out a $600 loan from the bank. At the end of 5 years, she pays back the principal, plus $60 simple interest. What was the interest rate?

• 2%

• 20%

• .2%

Michael and Imani go out to eat for lunch. If their food and beverages cost $25.30 and there is an 8% meals tax, how much is the bill?

• $27.32

• $28.32

• $2.02

If your food bill is $26.62 and you decide to leave an 18% tip, what is your total bill?

• $31.41

• $30.00

• $26.80

Eric found that about 62% of 80 classmates at school like hip-hop music. However, 70% of his 60 relatives like hip-hop. Do more classmates or relatives like hip-hop?

• Classmates

• Relatives

Cory’s kitten weighs 1,200 grams. If he weighed 550 grams at the last visit to the veterinarian’s office, what is the percent increase in the kitten’s weights rounded to the nearest whole number?

• 218%

• 46%

• 118%

Ethan buys a video game on sale. If the video game usually costs $39.99, and it was on sale for 20% off, how much did Ethan pay?

• $31.99

• $32.99

• $3.19

Gloria measures and finds that she can do a vertical jump that is 27.5% of her height. If Gloria is 48 inches tall, how high can she jump?

• 13.2 inches

• 1.32 inches

• 61.2 inches

• 16.2 inches