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posted by Sam on Tuesday, March 22, 2011 at 8:12pm.
john can paint 2 square feet of fence in 10 min.How long will it take him to paint a fence that is 6 feet high by 25 feet long?
6 * 25 = 150 square feet (150/2) * 10 = 750 minutes = 12.5 hours
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