Solving Ratio and Algebra Word Problems for Grade 5

A recipe calls for 2 cups of flour for every 3 cups of sugar. If you want to use 6 cups of sugar, how many cups of flour do you need?

• 5 cups of flour

• 3 cups of flour

• 2 cups of flour

• 4 cups of flour

Sarah has a collection of 24 marbles. The ratio of blue marbles to red marbles is 2:3. How many blue marbles does she have?

• 9

• 6

• 12

• 15

A car travels 150 miles on 5 gallons of gas. How many miles can it travel on 8 gallons of gas?

• 200 miles

• 240 miles

• 180 miles

• 300 miles

Tom has 30 apples and wants to share them with his friends in a ratio of 3:2. How many apples will each friend get if he has 5 friends?

• 6 apples

• 8 apples

• 5 apples

• 10 apples

In a school, the ratio of boys to girls is 4:5. If there are 36 boys, how many girls are there?

• 45

• 50

• 40

• 30

A gardener plants flowers in a ratio of 3 roses to 2 tulips. If he plants 15 roses, how many tulips does he plant?

• 8

• 5

• 12

• 10

A box contains red and blue balls in the ratio of 5:3. If there are 40 red balls, how many blue balls are there?

• 20

• 32

• 30

• 24

Lisa bought 12 notebooks and 8 pens. If the ratio of notebooks to pens is to be maintained, how many pens should she buy if she buys 18 notebooks?

• 14

• 16

• 12

• 10

A recipe requires 4 cups of water for every 1 cup of rice. If you want to cook 3 cups of rice, how much water do you need?

• 12 cups of water

• 6 cups of water

• 8 cups of water

• 10 cups of water

In a class, the ratio of students who like math to those who like science is 7:5. If there are 35 students who like math, how many students like science?

• 25

• 15

• 20

• 30