Proportionality Quiz

Mrs. O'Conner plans to make 2 batches of banana pudding 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?

• 48

• 16

• 36

• 54

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 32 times in one minute.

• The gear rotates 24 times in 60 seconds.

• The gear rotates 16 times in 30 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?

• 27

• 36

• 18

• 9

Find the missing value. 7/8= x/28.8

• N = 7

• N = 25.2

• N = 28.8

• N = 8

Michaela spent $234 preparing for a party with 18 guests. Each guest costs the same amount of money. How many guests could attend a party that cost $104 to prepare?

• 8

• 10

• 12

• 6

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

• $0.84

• $0.72

• $0.63

• $0.57

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

• fraction: 1/4, decimal: 0.25, percent: 25%

• fraction: 3/20, decimal: 0.15, percent: 15%

• fraction: 1/2, decimal: 0.5, percent: 50%

• fraction: 3/4, decimal: 0.75, percent: 75%

Fifteen is 30% of what number?

• 5

• 50

• 30

• 45

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

• 520

• 580

• 560

• 540

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

• Multiply 6 by 3

• Multiply 6 by 2

• Multiply 6 by 1.5

• Multiply 6 by 2.5