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Lisa cleans a house in 1 hour, it takes Mia three times as long; how long will it take working together?
16 years ago

Answers

bobpursley
in three hours, working together, they can clean 4 houses. Right?

so rate is 4houses/3hrs, or or one house per 3/4 hr.

Ans: 45min
16 years ago
Lisa
Thanks so much Bob, really helps
16 years ago

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