Solving Problems with Unit Rate

Connor bought 30 pencils for $0.45 each. How much money did Connor spend?

• $13.50

• $30.45

• $0.66

• $1.35

Mara bought 25 pencils for $0.45 each. How much money did Mara spend?

• $25.45

• $0.55

• $11.25

• $0.70

If Connor spent $13.25 and Mara spent $11.25, how much more money did Connor spend?

Katie has a box of red and blue ribbons. The ratio of red ribbons to total ribbons is 5: 14. How many blue ribbons are in the box?

Katie has a box of 5 red ribbons and 9 blue ribbons. Determine which statements about Katie's box of ribbons are true. Select all that apply.

• The ratio of blue to red ribbons is 9: 5.

• The ratio of red to blue ribbons is 9: 5.

• The ratio of total to red ribbons is 14: 5.

• The ratio of total to blue ribbons is 14: 9.

• There must be 9 more blue ribbons than red ribbons.

Sylvia can ride her bicycle 4,500 meters in 12 minutes. How far can she ride per minute?

• 4,488 meters

• 375 meters

• 54,000 meters

• 900 meters

Sylvia can ride her bike 375 meters per minute. How far can she ride in 2 minutes?

To make popcorn, a movie theater uses 7 teaspoons of oil for each cup of popcorn kernels. Using this information, how many teaspoons of oil are needed for 5 cups of popcorn kernels?

On a map, 3.5 inches represents a distance of 21 miles. How many miles does each inch represent?

• 0.166 miles

• 6 miles

• 73.5 miles

• 24.5 miles

If each inch on the map represents 6 miles, and Reno and Sparks are 5 inches apart on the map, what is the actual distance between Reno and Sparks?

• $\frac{6}{5}$ miles

• 30 miles

• 11 miles

• $\frac{5}{6}$ miles