Proportionality Review Quiz

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?

• 8 batches

• 324 batches

• 72 batches

• 16 batches

A gear rotates 8 times every 15 seconds. Based on this information, find any true statements below.

• The gear rotates 48 times in 90 seconds.

• The gear rotates 32 times in one minute.

• The gear rotates 16 times in 30 seconds.

• 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?

• 9
• 36
• 18
• 27

Find the missing value.

• 22.5

• 25.2

• 25.5

• 32.9

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 guests

• 16 guests

• 10 guests

• 1352 guests

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

• 1.57 $ for 1 can

• 1.75 $ for 1 can

• 0.75 $ for 1 can

• 0.57 $ for 1 can

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

• fraction: 3/20

  percent: 15 %

• fraction: 1/3

  percent: 33.3 %

• fraction: 15/100

  percent: 1.5 %

• fraction: 3/20

  percent: 0.15 %

Fifteen is 30% of what number?

• 4.5

• 50

• 20

• 45

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

• 812.5 students

• 12 students

• 520 students

• 52 students

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

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