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posted by Renee Thursday, November 1, 2012 at 1:08pm.

A mower can cover 7.2 acres per hour. A newer model can cover 8.1 acres per hour. What percent more can the newer model cover?

8.1 - 7.2 = 0.9 0.9 / 7.2 = 0.125 = 12.5%

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