Percents Unit Review

At the neighborhood Fourth of July party, Mrs. O’Conner plans to serve banana pudding. She plans to make 2 batches for every 9 people attending. If 72 people will attend the Fourth of July party, how many batches does Mrs. O’Conner need to make?

• 16 batches

• 12 batches

• 18 batches

• 20 batches

Find the missing value. 7/8 = (a)   /28.8

• x = 25.2
• x = 24.5
• x = 26.4
• x = 23.8

A gear rotates 8 times every 15 seconds. Based on this information, put a check mark next to any true statement below.

• The gear rotates 48 times in 90 seconds.

• The gear rotates 16 times in 30 seconds.

• The gear rotates 32 times in one minute.

• The gear rotates 24 times in 60 seconds.

A dolphin jumps 54 times in a 6-hour period. At this rate, how many jumps would be expected in a 2-hour period?

• 18 jumps

• 9 jumps

• 27 jumps

• 36 jumps

A package of 12 cans of black beans cost $6.84. What is the cost of one can of black beans?

• $0.57

• $0.48

• $0.62

• $0.72

Use the model below to determine the fraction, decimal, and percent that the shaded portion represents.

• fraction: 10/100 or 1/10 decimal: 0.1 percent: 10%

• fraction: 25/100 or 1/4 decimal: 0.25 percent: 25%

• fraction: 50/100 or 1/2 decimal: 0.5 percent: 50%

• fraction: 75/100 or 3/4 decimal: 0.75 percent: 75%

Eme is asked to find 15% of the number 60. If Eme knows that 10% is 6, Eme can use that information to find 15% of 60 by calculating _____ .

15 is 30% of _____.

A recipe for lemonade punch calls for 6 cups of lemonade for every 24 cups of punch. Circle the name of the student who wrote an equation that can be used to find x, the percent of lemonade in the recipe.

• ELIZABETH: 6/24 = x/100

• OWEN: 24/6 = x/100

• CASEY: 24/30 = x/100

• DIANNA: 6/30 = x/100

11. Of the 650 students at Westmoreland Junior High, 80% will attend the field trip. How many students will attend the field trip?