# SOLUTION: a painter can do a given job in 6 hours. his helper can do the same job in 10 hours. the painter begins to work and after two hours is joined by the helper. in how many hours will

Algebra ->  Algebra  -> Probability-and-statistics -> SOLUTION: a painter can do a given job in 6 hours. his helper can do the same job in 10 hours. the painter begins to work and after two hours is joined by the helper. in how many hours will       Log On

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 Click here to see ALL problems on Probability-and-statistics Question 151412: a painter can do a given job in 6 hours. his helper can do the same job in 10 hours. the painter begins to work and after two hours is joined by the helper. in how many hours will they complete the jobAnswer by ankor@dixie-net.com(15624)   (Show Source): You can put this solution on YOUR website!A painter can do a given job in 6 hours. His helper can do the same job in 10 hours. The painter begins to work and after two hours is joined by the helper. In how many hours will they complete the job? ; Let t = no. of hrs required for them to complete the job Let the completed job = 1 : Painter will be on the job = (t+2) Helper will be on the job = t : + = 1 Multiply equation by 30 30* + 30* = 30(1) Cancel out the denominators and you have: 5(t+2) + 3t = 30 : 5t + 10 + 3t = = 30 : 8t = 30 - 10 t = t = 2.5 hrs with the helper on the job : : Check solution on calc + = .75 + .25 = 1