# SOLUTION: It takes Paul 4 hours to do a job. It takes Peter 2 hours to do that same job. How many such jobs could they do together in 4 hours?

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 Click here to see ALL problems on Rate-of-work-word-problems Question 614391: It takes Paul 4 hours to do a job. It takes Peter 2 hours to do that same job. How many such jobs could they do together in 4 hours?Answer by ankor@dixie-net.com(15660)   (Show Source): You can put this solution on YOUR website!It takes Paul 4 hours to do a job. It takes Peter 2 hours to do that same job. How many such jobs could they do together in 4 hours? : Let t = time when both of them to do one job Let one completed job = 1 : + = 1 multiply by 4 t + 2t = 4 3t = 4 t = hr for both of them to do one job : Find how many jobs they could do in 4 hrs 4 divided by invert the dividing fraction and multiply 4 * = 3 jobs in 4 hrs