Ratios and Proportions Vocab

Solve the proportion.

• k=5

• k=3.3333333

• k=60

• k=90

A class is attended by 16 boys and 32 girls. Write the ratio of GIRLS to BOYS as a fraction in SIMPLEST FORM.

Use the shapes in the picture to write the ratio of STARS to SQUARES.

• 3 to 2

• 2 to 4

• 4 to 2

• 3 to 4

There are 4 birds and 6 snakes. What is the ratio of birds to snakes?

• 6/4

• 4/6

• 1/3

• 10/16

What is the ratio of 30 minutes to 2 hours?

In a survey, the ratio of people who prefer tea to those who prefer coffee is 3:2. If 120 people were surveyed, how many prefer tea?

• 48

• 72

• 80

• 90

What is the equivalent ratio of 4:6 when simplified?

• 2:3

• 1:2

• 3:4

• 6:9

A bag contains red and blue marbles in the ratio 3:4. If there are 21 red marbles, how many blue marbles are there?

• 16

• 24

• 28

• 32

If the ratio of boys to girls in a class is 3:4, how many boys are there if there are 20 girls?

• 15

• 25

• 10

• 30

A recipe calls for 2 cups of flour for every 3 cups of sugar. Which of the following is the correct ratio of flour to sugar?

• 2:3

• 3:2

• 1:1.5

• 1.5:1