SOLUTION: Dylan knows from experience that it would take him 2 hours to complete the job if he were working alone. Dylan estimates that it would take George 4 hours to complete the job if Ge

Algebra ->  Rate-of-work-word-problems -> SOLUTION: Dylan knows from experience that it would take him 2 hours to complete the job if he were working alone. Dylan estimates that it would take George 4 hours to complete the job if Ge      Log On


   

Question 818909: Dylan knows from experience that it would take him 2 hours to complete the job if he were working alone. Dylan estimates that it would take George 4 hours to complete the job if George were working alone. If Dylan and George work together, how long will it take to complete the job?
Answer by josgarithmetic(39620) About Me  (Show Source):
You can put this solution on YOUR website!
Job per hour, 1%2F2%2B1%2F4=2%2F4%2B1%2F4=3%2F4

Hours per job, 4%2F3=1%261%2F3