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posted by Michelle on Wednesday, February 18, 2009 at 1:59pm.

Photography reprints cost $0.52 each at a local photo shop. Through the mail, they cost $0.44 each plus $1.20 postage and handling. How many reprints must a customer purchase to make it less expensive to use mail order? Thanks!

Solve 0.52 X = 0.44 N + 1.20 You can see that you save 8 cents per print at the lower price, but have to make up the $1.20 P&H carge. The answer is X = 1.20/0.08

So then the answer would be x > 15? Thanks!

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