SOLUTION: Joe and Moe can mow the lawn in 33 minutes together. If Moe works 2 times faster than Joe, how fast does Joe work alone?

Question 700879: Joe and Moe can mow the lawn in 33 minutes together. If Moe works 2 times faster than Joe, how fast does Joe work alone?
Answer by Alan3354(69443) (Show Source): You can put this solution on YOUR website!
Joe and Moe can mow the lawn in 33 minutes together. If Moe works 2 times faster than Joe, how fast does Joe work alone?
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Joe does 1/x of the lawn per minute.
Moe does 3/x of the lawn per minute.
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1/x + 3/x = 1/33
33 + 99 = x
x = 132 minutes for Joe alone.
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A hazard here is that the author might think "2 times faster" is the same as 2 times as fast. It is not the same.

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