Solving Proportions and Unit Rate Review

A recipe uses 4 cups of sugar to bake 6 dozen cookies. If the recipe is scaled to make 15 dozen cookies, how many cups of sugar will be needed?

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

A unit rate is a rate in which the unit in the denominator is:

• 0

• 3

• 1

• 2

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

• $96

• $12

• $768

• $8

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

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

An eight pack of juice boxes costs $4.79, and a 12 pack of juice boxes cost $6.59. Use this information to calculate the better buy.

• 8 pack

• 12 pack

What is the quotient of these fractions in lowest terms?

• 6/40

• 6/10

• 3/5

• 12/20

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

• $3.60

• $3.55

• $3.40

• $3.50

Which is the "better buy"?  A 12 ounce can of corn for $1.92 of  a 20 ounce can of corn for $3.00?

• They are the same

• The  20 ounce can

• The 12 ounce can