Solving Using Ratios

I have 3 boys and 2 girls in my math group. What is the ratio of boys to all students in my math group?

• 5 to 5

• 5 to 2

• 3 to 5

• 3 to 2

There are 15 math teachers and 10 science teachers in the school. What is the ratio of science teachers to math teachers?

• 5 to 3

• 15 to 10

• 3 to 2

• 10 to 15

You have 5 dimes and 3 quarters. What is the ratio of all coins to quarters?

• 5 to 3

• 3 to 5

• 8 to 5

• 8 to 3

You have 5 hearts and 2 stars. What is the ratio of stars to hearts?

• 2 to 5

• 5 to 2

• 10 to 10

• 7 to 5

The ratio of lemon juice to water in Ella's Delicious Lemonade is 3 cups : 5 cups. Audrey wants to make a triple batch. What ratio of lemon juice and water should she use AND how many cups of lemonade will it make?

• 9 cups juice : 15 cups water makes 24 cups of lemonade

• 6 cups juice : 10 cups water makes 16 cups of lemonade

• 9 cups juice : 15 cups water makes 8 cups of lemonade

• 9 cups juice : 5 cups water makes 24 cups of lemonade

A school's student to teacher ratio is 20:1. If there are 400 students, how many teachers are there?

• 20

• 25

• 15

• 10

Two quantities are in the ratio 7:3. If the sum of the quantities is 100, what is the larger quantity?

• 70

• 75

• 30

• 25

Use ratio language to describe the relationship where for every 5 red marbles, there are 7 blue marbles.

• There are 5 red marbles for every 7 blue marbles.

• The ratio of red marbles to blue marbles is 5 to 7.

• Both A and B

• None of the above

Solve for x 

• x = 16

• x = 28

• x = 1/26

• x = 26

A recipe calls for 2 cups of flour for every 3 cups of sugar. If you want to make a half batch, how many cups of flour do you need?

• 1

• 1.5

• 2

• 3