Solving Ratio Problems Involving Parts and Wholes

A recipe called for the ratio of sugar to flour to be 7 : 3. If you used 63 ounce of sugar, how many ounces of flour would you need to use? Solve by using equivalent fractions.

• 9

• 18

• 21

• 27

Edward had beaten 24 levels in a video game. If the ratio of levels he had beaten to not beaten was 3 : 1, how many levels does the game have total? Use a tape diagram to solve.

• 8

• 32

• 25

• 4

At the carnival, the ratio of people who won the ring toss game to lost it was 8 : 5. If 24 people won, how many people would have lost?

• 3

• 13

• 15

• 24

A parking lot has 117 spaces total. If 36 of the spaces have cars in them, what is the ratio of empty spaces to filled spaces?

• 117:36

• 36:117

• 36:81

• 81:36

If 30 kids in the class like grape juice, how many kids like pineapple juice?  Use the tape diagrams to answer.

• 4

• 30

• 70

• 40

If there are 120 boys in the group, how many boys and girls are there TOTAL? Use the tape diagrams to solve.

• 150

• 270

• 250

• 360

In a bag of Jolly Ranchers, the ratio of blue to red is 3 to 4.  If I have a TOTAL of 56 Jolly Ranchers, how many of them are blue?  Solve with a tape diagram.

• 12

• 28

• 32

• 24

The ratio of boys to girls in history class is 4 to 5. How many girls are in the class if there are 12 boys in the class?

• 10

• 15

• 51

• 20

If Theresa has 5 quarters and Jason has 7 quarters, what is the ratio of the number of Jason's quarters to the number of Theresa's quarters?

• 7 to 5

• 5 to 7

• 7 to 12

• 12 to 7

There are 3 puppies, 6 kittens, and 11 bunnies.  What is the ratio of bunnies to puppies?

• 11:3

• 11:6

• 3:6

• 11:9