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?
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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