SOLUTION: if it takes 6 hours for 5 girls to paint a fence how many hours will it take 7 girls working at the same rate of speed to paint the same fence
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Question 701451: if it takes 6 hours for 5 girls to paint a fence how many hours will it take 7 girls working at the same rate of speed to paint the same fence Answer by sachi(548) (Show Source):
You can put this solution on YOUR website! it takes 6 hours for 5 girls to paint a fence
so 1 girl will 6*5=30 hrs to paint the same fence at same rate of speed
so 7 girls will take 30/7=4 hrs 17 min to paint the same fence at same rate of speed
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