If 7 maids with 7 mops clean 7 floors in 7 hours. Then how long does it take for 3 maids with 3 mops to clean 3 floors?

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posted Aug 3, 2015 by Puneet Batra

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+1 vote

7 hours.
A single maid cleans 1 floor in 7 hours.

answer Aug 3, 2015 by Jcm

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