Homework Help: math

Posted by L.A on Sunday, September 20, 2009 at 5:11pm.

A store sells 28 ounces of peanut butter for $2.24. The store also sells 32 ounces of the same peanut butter for $2.40. Which is the better buy?

math - Ms. Sue, Sunday, September 20, 2009 at 5:13pm
2.24 / 28 = $0.08 per ounce

$2.40 / 32 = $0.075 per ounce

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