Question

I need help 7th grade math i need all the answers correct please ASAP

Answer 1

The 8.39-kg bag

Explanation:

19.99 divided by 7.98 = $2.51

20.38 divided by 8.39 = $2.43

2.51 > 2.43

So 8.39-kg bag is the better buy

Answer 2

• 7.98: $2.51/kg
• 8.39: $2.43/kg
• the 8.39 kg bag is the better buy

Explanation:

To find the unit price, divide the price by the number of units. Here, the unit of interest is 1 kg.

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Unit price of 7.98 kg bag:

$19.99/(7.98 kg) = $2.51 /kg

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Unit price of 8.39 kg bag:

$20.38/(8.39 kg) = $2.43 /kg

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The 8.39 kg bag has a lower cost per kilogram, so is considered the better buy.