SOLUTION: Alex and Massimo work at a driving range collecting golf balls. If Alex can clear a field of balls in 1 hour and Massimo complete the same job in 2 hours, how long will it take the

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Question 902826: Alex and Massimo work at a driving range collecting golf balls. If Alex can clear a field of balls in 1 hour and Massimo complete the same job in 2 hours, how long will it take them together to clear the field?
Answer by richwmiller(17219) About Me  (Show Source):
You can put this solution on YOUR website!
1/a+1/b=1/x
1/1+1/2=1/x
1/2+2/2=1/x
3/2=1/x
x=2/3
x=0.66666667 hours working together
check
1/a+1/b=1/x
1/1+1/2=1/x
2/2+1/2=1/x
3/2=1/x
2/3=x
x=0.66666667 hours working together
ok