It Takes 1.5 Hours To John To Clean The House. Linda Can Clean The Same House In…

It takes 1.5 hours to John to clean the house. Linda can clean the same house in 2 hours. How many hours will they clean the house if they work together?

2/3x + 1/2x = 6
4x + 3x = 6
7x = 6
7x/7 = 6/7
6/7 hours or less than one hour

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