SOLUTION: Ben can do a job in 12hours. Jake can do the same job in 16hours. Ben works for 9hours and leave. How many hours will it take jake to complete remaining work?

Question 975736: Ben can do a job in 12hours. Jake can do the same job in 16hours. Ben works for 9hours and leave. How many hours will it take jake to complete remaining work?
Answer by lwsshak3(11628) (Show Source): You can put this solution on YOUR website!
Ben can do a job in 12hours. Jake can do the same job in 16hours. Ben works for 9hours and leave. How many hours will it take jake to complete remaining work?
***
1/12 =Ben"s work rate
1-16=Jake's work rate
let x=hours Jake must work to finish job
9(1/12)=x(1/16)=1
x/16=1-9/12=1/4
x=16/4=4
How many hours will it take jake to complete remaining work? 4

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