IXL | Compare rates: word problems

Michael, who really likes to have a bag of chips with his lunch, is comparing chip prices at the store. He can buy a 10-pack of Double Cheese Crisps for

7.80

or a 15-pack of Cheddar Skins for

11.85

Which brand costs less per bag?

Double Cheese Crisps

Cheddar Skins

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Learn with an example

question

Ryan is buying batteries for his remote control cars. Charge Zone batteries cost

15.80

for 20 batteries. Electrocell batteries cost

8.10

for 10 batteries. If both brands of batteries last equally long, which brand is the better value?

Charge Zone

Electrocell

solution

To find which brand is the better value, compare their unit prices. See which brand has a lower price per battery.

Charge Zone batteries cost

15.80

for 20 batteries. Find the unit price.

15.80

0.79

Electrocell batteries cost

8.10

for 10 batteries. Find the unit price.

8.10

0.81

0.79

per battery is less than

0.81

per battery. So, Charge Zone batteries are the better value.

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Teacher tools

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L.5Unit rates

L.8Compare ratios: word problems

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