SOLUTION: if sally can paint a house in 4 hrs, and john can paint the asame house in 6 hrs, how long will it take for both of them to apint the house together?

Question 61065: if sally can paint a house in 4 hrs, and john can paint the asame house in 6 hrs, how long will it take for both of them to apint the house together?
Found 2 solutions by checkley71, funmath:
Answer by checkley71(8403) (Show Source): You can put this solution on YOUR website!
TO SOLVE THESE TYPE OF PROBLEMS WE MULTIPLY THE TIMES & THEN DIVIDE BY THE SUM OF THE TIMES THUS
4*6/(4+6)=24/10=2.4 HOURS TO PAINT THE HOUSE TOGETHER
Answer by funmath(2933) (Show Source): You can put this solution on YOUR website!
if sally can paint a house in 4 hrs, and john can paint the asame house in 6 hrs, how long will it take for both of them to apint the house together?
Let sally's rate be x/4
Let john's be x/6
:

x=2.4 hrs
or x=2hr+.4(60)min=2hrs and 24 min
Happy Calculating!!!
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