SOLUTION: A father can do a job in certain number of days. His son takes twice as long to do the job. Working togather, they can do the job in 6 hours. How many hours does it take father to

SOLUTION: A father can do a job in certain number of days. His son takes twice as long to do the job. Working togather, they can do the job in 6 hours. How many hours does it take father to

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Question 829321: A father can do a job in certain number of days. His son takes twice as long to do the job. Working togather, they can do the job in 6 hours. How many hours does it take father to do the job?
Answer by josgarithmetic(39618) (Show Source): You can put this solution on YOUR website!
Father rate,
Son rate,
Together, job needs 6 hours, which means the rate when Father and son together, .

, and you can find BOTH rates when you know x.
Solve for x.
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