Unit Rates & Proportional Relationships

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

• 0

• 3

• 1

• 2

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

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

AT&T charges $76.00 for 500 minutes or Sprint charges $54.00 for 450 minutes. Which is a better deal

• Sprint
• AT&T

Sargento cheese slices $2.48 for 10 slices
or
Velveeta Cheese slices $3.18 for 12 slices
Find the unit price for each and choose the better deal.

• Sargento
• Velveeta

A cookie recipe needs 1 & 1/3 cups of flour to make 1/2 batch of cookies. How much flour is needed to make 1 batch of cookies?

• 1 & 1/6
• 1 & 2/3
• 2 & 2/3

Terry bought 2 & 1/2 dozen chocolate chip cookies. She paid $15 for her purchase. If there were 12 cookies in each dozen, what was the cost per cookie?

• $0.17
• $0.50
• $0.83
• $1.25

Mr. Roman drove from his hometown to another city. He used 12 & 1/4 gallons of gas for the 318 & 1/2 mile trip. On average, how many miles did Mr. Roman travel per gallon of gas?

• 26
• 26 & 1/2
• 30 & 5/8
• 38 & 4/25

A brownie recipe requires 2/3 cup of sugar for 1/3 batch of brownies. How much sugar is need for 1 batch of brownies

• 2/9 cup
• 1 cup
• 1 & 1/3 cups
• 2 cups

Susan walked 1 & 2/3 miles in 1 & 1/4 hours. How many miles can Susan walk in 1 hour?

• 2/5
• 1
• 1 & 1/3
• 2