Rates and Unit Rates

Tom is deciding between two cars based upon the gas consumption.  He wants to get the car that gets more miles per gallon.
Car A traveled 90 miles using 5 gallons of gas. Car B traveled 168 miles using 8 gallons of gas. How many mpg does car A get? How many mpg does Car B get? Which car should Tom buy?

• Car A 21 mpg, Car B 18 mpg,  Car B
• Car A 16 mpg, Car B  21 mpg.  Car A
• Car A 18 mpg, Car B 21 mpg, Car A
• Car A 18 mpg, Car B 21 mpg  Car B

Tags

CCSS.6.RP.A.3B

It takes 4 quarts of paint to cover 560 square feet.  How many quarts of the same paint are needed to cover 140 square feet?

• 4  1/2 quarts
• 2 quarts
•  1 quart

Tags

CCSS.6.RP.A.3B

Harry mowed eight lawns and earned $96. How much did he earn for each lawn?

• $96
• $12
• $768
• $8

Tags

CCSS.3.OA.A.3

Water flows from a faucet at a rate of 5 gallons every 25 seconds. At this rate, how many gallons will flow from the faucet in 45 seconds?

• 9 gallons
• 5 gallons
• 11 gallons
• 40 gallons

Tags

CCSS.6.RP.A.3B

150 grams of fertilizer is required for a land area of 6 square acres.  At this rate, how many grams of fertilizer is needed for 13 square acres?

• 25 grams
• 300 grams
• 325 grams
• 310 grams

Tags

CCSS.6.RP.A.3B

Four pounds of bananas cost $6.  What is the cost per pound of bananas?

• $24 per pound
• $1.50 per pound
• $1 per pound
• $6 per pound

Tags

CCSS.6.RP.A.1

CCSS.6.RP.A.2

A car travels 160 miles in 4 hours.  At this rate, how far will the car travel in 7 hours?

• 280 miles
• 40 miles
• 280 miles per hour
• 240 miles

Tags

CCSS.6.RP.A.3B

Maria can run 1 1⁄2 miles in 15 minutes.  What is her miles per hour rate?

• 10 miles per hour
• 22.5 miles per hour
• 5 miles per hour
• 6 miles per hour

Tags

CCSS.7.RP.A.1

A machine can pack 70 boxes of spaghetti in 5 minutes. At this rate, how many boxes can they pack in 8 minutes.

• 35 boxes
• 14 boxes
• 112 boxes
• 560 boxes

Tags

CCSS.6.RP.A.3B

To make food coloring, every 2 drops of red are mixed with 3 drops of yellow?  How many drops of red would be used if 36 drops of yellow were used?

• 53 drops
• 24 drops
• 48 drops

Tags

CCSS.6.RP.A.1

CCSS.6.RP.A.3