Ratios and Proportions Study Guide

Write the ratio as a fraction in SIMPLEST FORM.

• 24/10

• 12/5

• 10/24

• 2.4/1

Write the ratio as a fraction in simplest form.

• 5/20

• 1/4

• 1/5

• 20/5

Use the ratio table to find the unit rate with the specified units.

• 15.5 miles per gallon

• 31 miles per gallon

• 62 miles per 4 gallons

• 93 miles per 6 gallons

Use the ratio table to find the unit rate with the specified units.

• $10.80 per box

• $3.60 per 3 boxes

• $1.20 per box

• $0.83 per box

Tell whether the ratios form a proportion.

• Yes, the ratios are proportional.

• No, the ratios are not proportional.

Tell whether the ratios form a proportion.

• Yes, the ratios are proportional.

• No, the ratios are not proportional.

Tell whether the two rates form a proportion.

• Yes, the rates are proportional.

• No, the rates are not proportional.

Tell whether the two rates form a proportion.

• Yes, the rates are proportional.

• No, the rates are not proportional.

Use the table to write and solve a proportion.

• p = 1

• p = 2

• p = 4

• p = 8

Use the table to write and solve a proportion.

• e = 16

• e = 20

• e = 24

• e = 28