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Shaunda said that buying 4 towels for $17nwas better buy than buying 2 towels for $9. She found her answer by doubling the terms in the ratio 9:2 and comparing the first term in the ratios.is she correct? Use unit prices to support your answer.



Answer :

ollieboyne
The cost for a towel at 4 for $17 is:

17/4 = 4.25 $/towel

The cost for a towel at 2 for $9 is:

9/2 = 4.5 $/towel

So Shaunda is correct, as the cost per towel for 4 at $17 is lower.

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