SOLUTION: Kim can mow the greens at the golf course twice as fast as I can. Working together, we can mow them in four hours. How long will it take me to mow the greens alone?

Question 188564: Kim can mow the greens at the golf course twice as fast as I can. Working together, we can mow them in four hours. How long will it take me to mow the greens alone?
Found 2 solutions by jojo14344, Alan3354:
Answer by jojo14344(1513) (Show Source): You can put this solution on YOUR website!

Remember, since Kim can mow the greens 2 times faster than you are, so the amount of time you mow is double that of Kim.

Let Kim= x hours
I = 2x hours

Kim + I = 4 hours

,
, cross multiply
} ---> ---->
x=6 hours Kim
2x=2*6=12 hours Alone (Answer)

Check,

Thank you,
Jojo

Answer by Alan3354(69443) (Show Source): You can put this solution on YOUR website!
A comment on the other solution:
2 times as fast is not the same as 2 times faster.
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