Unit Rate Mastery Check Study Guide

What is the unit rate if there are 2025 Calories in 9 servings?

• 220 calories per serving

• 225 calories per serving

• 2034 calories per serving

• 18225 calories per serving

Sara ran a 26-km race in 3.25 hours at a constant rate. At what rate did she run the

race?

• 84.5 km/hr

• 22.75 km/hr

• 29.25 km/hr

• 8 km/hr

What is the unit rate of $3.75 for 5 pens?

• $18.75 per pen

• $3.75 per pen

• $1.75 per pen

• $0.75 per pen

Kentucky Market is having a sale on Takis, selling 5 bags for $2. What is the cost of one

bag at the sale price?

• $2.50

• $10

• $0.40

• $0.25

• 2 miles per hour

• 3 miles per hour

• 4 miles per hour

• 32 miles per hour

The costs of different sizes of bottled sports drinks are shown. Which size bottle costs

the least per ounce?

8 oz. for $0.72

16 oz. for $1.28

24 oz. for $2.04

32 oz. for $2.24

• 8 oz. bottle

• 16 oz. bottle

• 24 oz. bottle

• 32 oz. bottle

At Sam’s Club you can buy 36 oz. of Kool-Aid for $27, and at Publix you can buy 28

oz. of Kool-Aid for $22.40. Which store has the better buy, and how much will you save?

(What is the difference between the unit rates?)

• Publix. You save $0.05 an ounce.

• Publix. You save $0.75 an ounce.

• Sam's Club. You save $0.05 an ounce.

• Sam's Club. You save $0.80 an ounce.

At the school store, 6 pencils sell for $0.99. At this rate, what is the cost of 20 pencils?

Elizabeth can type 250 words in 5 minutes. At this rate, how many words can she type

in 30 minutes?