Solving Ratio Problems

The ratio of apples to oranges in a fruit basket is 3:4. If there are 24 oranges, how many apples are there?

• 18

• 15

• 12

• 20

The ratio of boys to girls in a classroom is 2:3. If there are 30 boys, how many students are there in total?

• 45

• 50

• 60

• 75

The ratio of teachers to students in a school is 1:25. If there are 500 students, how many teachers are there?

• 20

• 25

• 30

• 35

The ratio of red marbles to blue marbles in a bag is 5:6. If there are 60 blue marbles, how many red marbles are there?

• 50

• 55

• 45

• 60

The ratio of cats to dogs at the animal shelter is 4:5. If they have 20 dogs, how many animals are there in total?

• 35

• 40

• 45

• 50

The ratio of the number of pencils to pens is 7:3. If there are 42 pencils, how many pens are there?

• 12

• 14

• 15

• 18

The ratio of men to women at a conference is 3:2. If there are 24 women, how many men are there?

• 28

• 30

• 32

• 36

The ratio of small to large boxes in a warehouse is 5:8. If there are 40 small boxes, how many large boxes are there?

• 60

• 64

• 80

• 72

The ratio of the number of red cars to blue cars in a parking lot is 7:9. If there are 63 red cars, how many blue cars are there?

• 72

• 81

• 84

• 90

The ratio of cups of sugar to cups of flour in a recipe is 2:5. If you are using 10 cups of flour, how many cups of sugar do you need?

• 2

• 3

• 4

• 5