Mathematics, 18.02.2021 19:30, lolhgb9526

The time needed to paint a fence varies directly with the length of the fence, and inversely with the number of painters. If it takes 7 hours to paint 280ft of fence with 2 painters, how long will it take 4 painters to paint 720ft of fence?

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The time needed to paint a fence varies directly with the length of the fence, and inversely with th...