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  • 4 years ago

A 20-lb bag of dog food costs $21.50. A 30-lb bag of the same dog food costs $32.90. Find each unit price. Then determine the better buy.

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  1. King
    • 4 years ago
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    fr 20lb bag::1 unit=215/200=1.075$ fr 30lb bag::1 unit=329/300=1.096666$ so buying 20lb bag is better!!

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