Find the Ratios

Find THREE equivalent ratios for 4/5. Select all that apply.

• 5:4

• 12:15

• 5 to 4

• 40 to 50

Find the missing values in the ratio table. 

• 35, 12

• 14, 100

• 15, 30

• cannot be determined

Juliet used a 3 to 1 ratio of white to black paint in order to make a shade of gray. Which of the following ratios would give her the same shade of gray? Pick two.

• 5 to 4

• 5 to 15

• 12 :4

• 7 to 6

The cafeteria orders a ratio of 4 to 7 of hot dogs to hamburgers for lunch. Which ratios are equivalent to the ratio of hot dogs to hamburgers? READ CAREFULLY!

• 16 hamburgers and 28 hot dogs

• 8 hot dogs and 14 hamburgers

• 7 hot dogs and 10 hamburgers

• 20 hamburgers and 35 hot dogs

• 28 hot dogs and 49 hamburgers

Match the following ratios:

• 21:12

• 5:4

• 24:72

• 3:7

• 20:16

• 8:3

• 9:21

• 7:4

• 24:9

• 2:6

To disinfect 1 quart of stream water to make it drinkable, you need to add 2 tablets of iodine. How many tablets do you need to disinfect 4 quarts?

• 4 tablets

• 5 tablets

• 6 tablets

• 8 tablets

• c = 4

• c = 8

• c = 14

• c = 10

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Solving Proportions

What is the ratio of squares to triangles?

• 6 : 3

• 3 : 9

• 3 : 6

Charles has 7 baseball cards, and Tracy has 10 baseball cards. What is the ratio of Charles's cards to Tracy's cards?

• 7:10

• 10:7

• 10:17

What is a ratio?

• a box that plays music

• a comparison of 2 quantities