Compare Unit Rate

Find the unit price.

9 colored pencils for ​$2.88.

• $.32 per pencil

• .32 pencils per dollar

• 9 pencils per dollar

• $2.88 dollars per pencil

Determine which is the better buy. Store 1 sells

1 kilogram of bananas for ​$2.06. Store 2 sells 4 kilograms of bananas for ​$7.48.

• Store 2

• Store 1

• The unit price for bananas is the same for both stores.

You are buying carrots. Your options are: a 3​-pound bag for ​$4.20 or a 10​-pound bag for ​$6.30​? Explain when a wiser purchase may NOT be the better buy.

• When you will only consume the 3 pounds of carrots and the rest will spoil.

• It might not be a wiser purchase if you plan to eat more than 10 lb of carrots.

• It might not be a wiser purchase because unit price does not always give the lowest price per item.

• It is always best to get the items with the lowest unit price.

On​ Tuesday, it snowed 15 inches in 6 hours. What is the unit rate?

• 6 hours per inch

• 15 inches per hour

• 2.5 hours per inch

• 2.5 inches per hour

Are these two rates equal to each other? Yes or No

Which is the better buy?

• 18 ounces for $7.38

• 27 ounces for $15.39

Which is the better buy?

• $625 for 25 pairs of shoes

• $800 for 33 pairs of shoes

Which is the better buy?

• $407 for 37 pairs of jeans

• $570 for 48 pairs of jeans

Which is the better buy?

• 5 calculators for $105

• 24 calculators for $552