Ratio Numbers

Patrick has 2 black, 3 red, and 5   white toy cars. What is the ratio of red toy cars to all the toy cars? 

• 3:5

• 1:3

• 3:11

• 3:10

If there are 5 boys and 7 girls, write the ratio of girls to boys.

• 5 to 7

• 7 to 5

• 5 to 12

• 7 to 12

Mrs. Shelly paid $3 for 6 muffins and Mrs. Kloske paid $9 for 18 muffins.  

• yes, equivalent

• no, not equivalent

Kevin is mixing paint to make orange. The ratio of red paint to yellow paint is 3 oz to 5 oz. How much yellow paint should he mix with 9 oz of red paint?

• 15 oz

• 30 oz

• 45 oz

• 11 oz

Will spent $3.75 for 3 pounds of granola. What is his unit rate in dollars per pound?

• $1.25 per pound

• $1 per pound

• $2 per pound

• $1.50 per pound

The ratio of adults to children at an amusement park is 3 to 5. If there are 225 children, how many adults are at the amusement park?

• 135

• 360

• 45

• 75

Meg makes a flour blend at home using barley and wheat flour in a ratio of 2:3. How many ounces of barley does she use when she uses 27 ounces of wheat flour?

• 18

• 36

• 81

• 26

The ratio of the length of a rectangle to its width is 4 1/2 : 2 1/4. What is the unit rate of the length per width of the rectangle?

• 4

• 10 1/8

• 1/2

• 2

A punch recipe requires 4/5 of a cup of pineapple juice for every 2 1/2 cups of soda. What is the unit rate of soda to pineapple juice in the punch?

• 1 3/5 cups of soda per cup of pineapple juice

• 6 1/4 cups of soda per cup of pineapple juice

• 8/25 cups of soda per cup of pineapple juice

• 3 1/8 cups of soda per cup of pineapple juice

The students in Mr. Miller's class are trying to decide where to go on their field trip. The ratio of the students who voted for the town aquarium to the students who voted for the science center is 2 to 3. If 12 students voted for the science center, how many students voted for the town aquarium?

• 24

• 6

• 8

• 18