Ratios, Rates, & Proportions

Express the ratio of the number of shaded squares to the number of squares not shaded in simplest form.

• 5:3

• 3:4

• 2:3

• 4:5

During his last workout, Scott ran 18 minutes on the treadmill, rode the elliptical for 28 minutes, and spent 14 minutes lifting weights. What is the ratio of time spent on the elliptical to Scott’s total workout time? Give your answer in simplest form.

• 7:15

• 14:30

• 28:60

• 28:60

Write the ratio 12 feet to 9 yards in simplest form.

• 4:9

• 1:3

• 3:1

• 2:3

Write the ratio 2 meters to 76 centimeters in simplest form.

• 1:38

• 50:19

• 100:38

• 25:19

Write the ratio 3 years to 8 months in simplest form.

• 9:8

• 9:2

• 1:2

• 2:3

Write the rate 476 miles in 8 hours as a unit rate.

• 59.5 miles/hour

• 60 miles/hour

• 58 miles/hour

• 57.5 miles/hour

Write the rate 680 calories in 6 muffins as a unit rate.

• 113.3 calories/muffin

• 120 calories/muffin

• 110 calories/muffin

• 115 calories/muffin

Write the rate $31.20 for 15 gallons of gas as a unit rate.

• $2.08/gallon

• $2.10/gallon

• $2.05/gallon

• $2.12/gallon

Write the rate 5 bananas for $1.95 as a unit rate.

• $0.39/banana

• $0.40/banana

• $0.38/banana

• $0.41/banana

Katya had a final exam in each of her four classes: English, Math, Social Studies, and Science. During which test did she take the least amount of time per question?

• English

• Math

• Social Studies

• Science