Ratios, Rates, and Unit Rate

What is the unit rate for the following situation: The pasta costs $2.60 for 20 ounces.

What is the unit rate for the following situation: There are 116 students in 4 rooms.

If Antonia can type 408 words in 4 minutes, how many words can she type per minute?

• 408 words per minute

• 102 words per minute

• 408 words per minute

• 4 minutes per 408 words

It cost me $46.80 to fill my 13-gallon gas tank. What was the price of gas per gallon?

• $3.40

• $3.30

• $3.60

• $3.55

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

A cashier at the grocery store rung up 16 customers in 8 minutes. What is the unit rate for this situation?

• 16 customers per minute

• 2 customers per minute

• 8 customers per minute

• 1 customer per minute

What is the ratio of circles to total shapes?

• 3:8

• 5:3

• 3:5

• 5:8

Which is the better buy? A 12-pack of Pepsi for $3.50 or a 6-pack for $1.80?

• 6 pack

• 12 pack

• They're the same

• Neither, I prefer Coke

Cookies cost $4.00 for 10. What is the unit rate per cookie?

• $4.00 for 10 cookies

• $0.40

• $0.04 per cookie

• $40 per cookie