Unit 4 Review

28% of 168

• 47.04

• 4,704

• .4704

• 470.4

124.4% of 60

• 7.464

• 74.64

• .7464

• 74,640

7% of 92

• 644.0

• 64.4

• .644

• 6.44

A recipe for muffins uses 4½ cups of flour (f) to make 3 batches of muffins (m). Write an equation that represents the relationship.

• b=2/9f

• b=9/6f

• b=3/2f

• b=2/3f

Diego measured the length of a pen to be 22 cm. The actual length of the pen is 23 cm. Which of these is closest to the percent error for Diego’s measurement?

• 4.3%

• 4.5%

• 95.7%

• 104.5%

A classroom flag is 36 inches long. An average flag is 95% longer. How long is the average flag?

• 34.2 inches

• 70.2 inches

• 100.2 inches

• 129.2 inches

Ben runs a track that is ⅓ of a mile long. He finishes this lap in 1/9 of an hour. What is his speed?

• 5 miles per hour

• 2 miles per hour

• 3 miles per hour

• 1 mile per hour

Today, everything at a store is on sale. The store offers a 20% discount.

The regular price of a T-shirt is $18. What is the discount price?

• $14.60

• $14.40

• $21.60

• $3.60

The regular price of pants is $23. It’s on sale for 15% off. What is the discounted price?

• $19.55

• $3.45

• $23.00

• $20.45

Ken sold a computer for $580. He got 5.2% commission. How much did he make?

• $3.016

• $301.6

• $3,016

• $30.16