Percents Unit Test Review (11/9 Class)

When Nancy started middle school, she was 60 inches tall. When she started high school, she was 66 inches tall. What was the percent change in her height?

• 6 percent increase

• 8 percent increase

• 10 percent increase

• 90 percent increase

What is the simple interest value missing in the table?

• $43.75

• $4,370.50

• $43,750.00

• $437.50

Lenore borrowed $400 to pay for car repairs. She needs to pay it back in 2 years with simple interest. Lenore wants to figure out the interest rate of her loan. What additional information does she need to find the interest rate?

• principal

• amount of time

• interest she will owe

• the type of car repairs

What is the sale price of a phone that was originally $199 but that has been marked down by 15 percent?

• $159.15

• $159.20

• $169.10

• $169.15

A clothing shop is offering a 12 percent discount for senior citizens. Which equation represents the discount price?

• discount price = 1 - (original price)(0.88)

• discount price = (original price)(1 – 0.12)

• discount price = (original price)(0.12)

• discount price = 1 – (original price)(0.12)

Aaron estimated that 148% of 333 is 495. Is his estimate reasonable?

• No, because his calculation should be 140% of 340.

• No, because his calculation should be 150% of 340.

• Yes, because his calculation should be 140% of 330.

• Yes, because his calculation should be 150% of 330.

Tanya’s swim club increased their $29 membership fee by $6 a year. What is the approximate percent increase in the membership fee?

• The approximate percent increase is 20%.

• The approximate percent increase is 26%.

• The approximate percent increase is 82%.

• The approximate percent increase is 120%.

Arun’s restaurant bill is $58, and he wants to leave the waiter an 18 percent tip. What will Arun’s total bill be?

• $10.44

• $47.56

• $68.44

• $76.00

A board game that normally costs $30 is on sale for 25 percent off. What is the sale price of the game?

• $22.50

• $27.50

• $32.50

• $37.50

Holly has watched 39% of a movie that is 122 minutes long.

Which is the best estimate for the number of minutes of the movie that Holly has watched?

• 36 minutes

• 39 minutes

• 48 minutes

• 52 minutes