Ratios and Proportions

If there are 5 boys and 7 girls, write the ratio of girls to students

• 5 is to 7

• 7 is to 5

• 5 is to 12

• 7 is to 12

Write the ratio in simplest form.

42 to 6

• 7:1

• 24:3

• 21:3

• 21:4

Write the ratio in simplest form.

• 120 to 5

• 24 to 2

• 60 to 5

• 24 to 1

Determine whether the ratios are equivalent.

5 dogs to 6 cats,

20 dogs to 24 cats

• Yes

• No

Write the ratio in simplest form.
27:12

Write the ratio in simplest form.

Determine whether the ratios are equivalent.

$72 for every 8 people,

$18 for every 2 people

• Yes

• No

Determine whether the ratios form a proportion.

27 trucks to 12 jeeps,

44 trucks to 16 jeeps

• Yes

• No

Determine whether the ratios form a proportion.

8 feet in 15 seconds,

16 feet in 40 seconds

• Yes

• No

• 6

• 7

• 4

• 5