Rates

Rates

Rates, Unit rates and unit prices

Multiple Choice

Kevin can complete 45 multiplication problems in 2 minutes. What is the unit rate?

• 22.5 problems per minute

• 42 problems per minute

• 90 problems per minute

• 2.25 problems per minute

Multiple Choice

Apples sell 4 for $2.40. How much do 6 apples cost?

• $0.60
• $0.40
• $2.80
• $3.60

Multiple Choice

The computer downloads 1,680 kilobytes in 4 minutes. Find the unit rate.

• 420 kb per minute

• .00238 kb per minute

• 1344 kb per minute

• 28 kb per minute

Multiple Choice

 Ricky made $600 in two weeks. Find the unit rate.

• $300 per week
• $200 per week
• $1200 per week
• $602 per week

Multiple Choice

A box of cereal cost $3.59 for 30 oz. How much is the unit rate per ounce? Round to the nearest cent.

• 11 cents

• 12 cents

• 13 cents

• 10 cents

Multiple Choice

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

Multiple Choice

Mr. Keys made $90 in 5 hours. What is the unit rate?

• $18 per hour

• $1 in 18 hours

• $90:5h

• 5 to 90

Multiple Choice

There are 10 dimes, 8 quarters, and 5 nickels?  What is the ratio of dimes to nickels?

• 10 to 5
• 5 : 10
• 1 : 2
• 2 to 1

Multiple Choice

You go to the grocery store to buy dog food. The store has three sizes available:

A 20-lb bag for $23.44

An 8-lb bag for $9.88

A 40-lb bag for $49.00

Which size bag has the lowest cost per pound rounded to the nearest cent?

• The 8-lb bag

• The 20-lb bag

• The 40-lb bag

• I have a cat

Multiple Choice

A rate is a ratio that compares

• A part to a part

• A part to a whole

• Quantities with different units

• Quantities with the same units

Multiple Choice

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

• $5.75 per pizza

• $7.25 per pizza

• $6.50 per pizza

Multiple Choice

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

• The 12-pack

• The 6-pack

• They're the same

• Neither, I prefer Coke

Multiple Choice

Will spent $3.75 for 3 pounds of granola. What is his unit rate in dollars per pound?

• $.50 per pound

• $1.25 per pound

• $3 per pound

• $2.50 per pound

Multiple Choice

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

• $8 per pound

• $35 per pound

• $5 per pound

• $0.125 per pound