Ratio Proportion Similar Figures

Find side length X.

• 30

• 25

• 15

• 40

Find side length X.

• 22.5

• 10

• 9

• 7.5

In a class there are 30 boys and 12 girls. Find the ratio of number of boys to number of girls.

• 2 : 5

• 5 : 2

• 3 : 4

• None of the above

Solve the proportion.

• 18

• 4

• 9

• 8

Solve the proportion.

• -5

• 2

• 7

• 6

Solve the proportion.

• 10

• -2

• 4

• -7

Which fraction represents the ratio 5 roosters out of 15 chickens in simplest form?

• 3:10

• 1:3

• 3

• 10:3

Which fraction represents the ratio 2 quarts to 1 gallon in simplest form?

• 1:8

• 1:4

• 1:2

• 1

Tomas used a scale of 1 inch = 6 feet to construct a scale model of a deck. The deck in the model has a length of 8 inches. What is the actual length of the deck?

• 12 inches

• 14 feet

• 28 feet

• 48 feet

At the same time a 5-foot girl casts a 4-foot shadow, a nearby stop sign casts an 8-foot shadow. How tall is the stop sign?

• 9 feet

• 10 feet

• 12 feet

• 16 feet