SOLUTION: Stan and Hilda can mow the lawn in 40 minutes if they work together. If Hilda works twice as fast as Stan, how long would it take Stan to mow the lawn alone?

SOLUTION: Stan and Hilda can mow the lawn in 40 minutes if they work together. If Hilda works twice as fast as Stan, how long would it take Stan to mow the lawn alone?

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Question 399285: Stan and Hilda can mow the lawn in 40 minutes if they work together. If Hilda works twice as fast as Stan, how long would it take Stan to mow the lawn alone?
Answer by scott8148(6628) (Show Source): You can put this solution on YOUR website!
Hilda is twice as fast so she does twice the work ___ she mows 2/3 of the lawn while Stan mows 1/3

it takes Stan 40 min to mow 1/3 of the lawn ___ it would take him 120 min (3 times 40) to mow the lawn alone
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