Ratios, Rates, and Unit Rates

My father drove 231 miles with 7 gallons of gas.  What was his mileage (miles per gallon)?

• 35 miles per gallon
• 33 miles per gallon
• 37 miles per gallon

My mother purchased 9 candy bars at Food Lion for $13.50.  What is the price per candy bar?

• $2.00 per product
• $1.50 per product
• $1.75 per product

An athlete can swim

 $\frac{1}{2}$  mile every $\frac{1}{3}$  hour. What is the unit rate of the athlete? (The unit is 1 hour)

•  $\frac{2}{3}miles\ per\ hour$  

•  $\frac{1}{6}miles\ per\ hour$  

•  $1\frac{1}{2}\ miles\ per\ hour$  

•  $1\frac{3}{4}miles\ per\ hour$  

You spend $40 on 5 pounds of concrete. What is the unit rate in dollars per pound?

• $8 per pound
• $5 per pound
• $35 per pound
• 0.125 pounds per dollar

If Justin can type 408 words in 4 minutes, how many words can he type per minute?

• 102 words per minute
• 100 words per minute
• 400 words per minute
• 412 words per minute

Jack jumps 40 times per 4 minutes.  How many times does he jump per 1 minute?

• 5
• 10
• 40
• 36

What is the ratio of red apples to green apples

• 7 apples to 3 green
• 4 red apples to 7 apples
• 4 red apples to 3 green apples
• 3 green apples to 4 red apples

In the fruit bowl there are 4 apples, 2 bananas, and 5 pears.  What is the ratio of pears to ALL fruit?

• 5:4
• 5:11
• 2:5
• 6:5

You're throwing a party, and you ordered 15 pizzas for your guests. Your total came to $97.50. What was your unit cost per pizza?

• $4.95 per pizza

• $6.50 per pizza

• $7.25 per pizza

• $5.75 per pizza

If Maya makes $10 an hour at her after school job, how many hours will it take her to earn $150?

• 10 hours

• 15 hours

• 5 hours

• 20 hours