SOLUTION: if trey can clean a house in 6 hours and matt can clean a house in 8 hours. how long would it take for them to clean a house together?
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Question 875440: if trey can clean a house in 6 hours and matt can clean a house in 8 hours. how long would it take for them to clean a house together?
Answer by josmiceli(19441) (Show Source): You can put this solution on YOUR website!
Add their rates of cleaning
Trey's rate:
( 1 house ) / ( 6 hrs )
Matt's rate:
( 1 house ) / ( 8 hrs )
---------------------------
Let = the time in hrs for
them to clean the house together
Multiply both sides by
They can clean the house in 3.4285 hrs
working together
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