Basic Ratio Word Problems

Ms. Shields has 9 boys and 12 girls in her 1st block. What is the ratio of girls to total?

A bag contains red and yellow apples. The ratio of red to yellow apples is 4:3. If I have 6 yellow apples, how many red apples do I have?

• 10

• 7

• 9

• 8

A box hold 20 marbles. There are 13 green marbles and the rest are yellow. What is the ratio of yellow marbles to green marbles.

• 20 to 13

• 7 to 13

• 13 to 7

• 33 to 13

Joseph went to a farm with 23 animals. 9 were goats, 6 were sheep, and the rest were dogs. What is the ratio of dogs to goats?

If the ratio of cats to dogs in a pet shop is 5:3, and there are 15 cats, how many dogs are there?

• 9

• 10

• 12

• 18

A recipe calls for 2 cups of sugar for every 5 cups of flour. If a baker wants to use 10 cups of flour, how many cups of sugar are needed?

• 2 cups

• 4 cups

• 6 cups

• 8 cups

A graph shows the number of cars sold by a dealership each month. If the ratio of cars sold in June to cars sold in July is 2:5, and 10 cars were sold in June, how many cars were sold in July?

• 15

• 20

• 25

• 30

A map uses a scale of 1 inch to represent 30 miles. How many inches on the map would represent 120 miles?

• 3 inches

• 4 inches

• 5 inches

• 6 inches

A garden has roses and tulips in the ratio 3:5. If there are 9 roses, how many tulips are there?

• 12

• 15

• 18

• 21

Two ingredients are mixed in a ratio of 5:3. If you have 40 grams of the first ingredient, how many grams of the second ingredient do you need?

• 24 grams

• 15 grams

• 30 grams

• 12 grams