SOLUTION: Jonh fixes 5 cars in 6 hours. It takes Mary 1 hour longer to fix 5 cars on her own than when she fixes with John. Together, how many hours does it take John and Mary to fix 5 cars?

Question 1054652: Jonh fixes 5 cars in 6 hours. It takes Mary 1 hour longer to fix 5 cars on her own than when she fixes with John. Together, how many hours does it take John and Mary to fix 5 cars?
Answer by Fombitz(32388) (Show Source): You can put this solution on YOUR website!
Find John's rate.

Find Mary's rate.

So together,

or approximately 3.13 days

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