Question 750063: plzzz help me sir,If 7 maids with 7 mops chaned 7 floors in 7 hours, how long would it takes 3 maids to mop
3 floors with 3 mops? Answer by Alan3354(69443) (Show Source):
You can put this solution on YOUR website! If 7 maids with 7 mops chaned 7 floors in 7 hours, how long would it takes 3 maids to mop
3 floors with 3 mops?
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Maids and mops are the same.
7 floors = 7 maids * 7 hours = 49 maid-hrs
1 = 7 maid-hrs
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3 floors = 21 maid-hrs
21 maid-hrs/3 maids = 7 hours
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how long would it takes 3 maids to mop 3 floors with 3 mops?
7 hours
