SOLUTION: Jack usually mows his lawn in 5 hours. Marilyn can mow the same lawn is 3 hours. How much time would it take to mow the lawn together?

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Question 300848: Jack usually mows his lawn in 5 hours. Marilyn can mow the same lawn is 3 hours. How much time would it take to mow the lawn together?
Answer by solver91311(24713) About Me  (Show Source):
You can put this solution on YOUR website!

General answer to "Two People Working Together Problems"

If A can do a job in x time periods, then A can do of the job in 1 time period. Likewise, if B can do the same job in y time periods, then B can do of the job in 1 time period.

So, working together, they can do



of the job in 1 time period.

Therefore, they can do the whole job in:



time periods.



John