7.4D Solve Problems Involving ratios, rates, and percentages

What percentage of the customers put chocolate creamer in their coffee?

• 30%

• 14%

• 70%

• 75%

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7.4.D

A recipe for fruit salad includes 1/3 cup of grapes for 4 servings. Using the ratio, match the amount of grapes to the number of servings below.

• 90 servings

• 10 cups of grapes

• 480 servings

• 120 servings

• 30 servings

• 40 cups of grapes

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7.4.D

The ratio of boys to girls in Ms. Cunningham's class is 2 to 3. There are 18 girls in the class. What is the total number of students in Ms. Cunningham's class?

• 12

• 30

• 45

• 27

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7.4.D

Russell has a collection of 1200 pennies. Of these pennies, 25% are dated before 1980, 35% are dated from 1980 to 2000, and the rest are dated after 2000. How many pennies in Russell's collection are dated after 2000?

• 480

• 720

• 40

• 60

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7.4.D

In Julie's class there are 18 girls and 6 boys. What percent of the class are boys?

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7.4.D

Of the 430 students enrolled in 8th grade math this year, 90% are passing. How many students are NOT passing math?

• 387

• 43

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7.4.D

In an animal shelter, the ratio of dogs to cats is 4 to 3. If there are 72 dogs at the shelter, how many cats are there?

• 54 cats

• 18 cats

• 96 cats

• 16 cats

A Transformer stands 20 ft. tall with a shadow of 6 ft. long. If the Transformer next to it is 30 ft. tall, how long would its shadow be?

• 9 ft.

• 4 ft.

• 6 ft.

• 3 ft.

• c = 4

• c = 8

• c = 14

• c = 10

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Solving Proportions

Find the missing value for the ratio.

• 56

• 48

• 7

• 72