SOLUTION: Edwin can tune up his chevy in 2 hrs working alone. His sone, Beau, can do the job in 3hr working alone. How long would it take them if they worked together? (let t represent the

Algebra ->  Customizable Word Problem Solvers  -> Numbers -> SOLUTION: Edwin can tune up his chevy in 2 hrs working alone. His sone, Beau, can do the job in 3hr working alone. How long would it take them if they worked together? (let t represent the      Log On

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Question 77717This question is from textbook Introductory to algebra
: Edwin can tune up his chevy in 2 hrs working alone. His sone, Beau, can do the job in 3hr working alone. How long would it take them if they worked together? (let t represent the time working together) This question is from textbook Introductory to algebra

Answer by scott8148(6628) About Me  (Show Source):
You can put this solution on YOUR website!
if Edwin can do the job in 2 hrs, then in t hrs he does t/2 of the job similarly, Beau does t/3 of the job

together they do the whole job, so the equation is %28t%2F2%29%2B%28t%2F3%29=1...multiplying by 6 gives 3t+2t=6

so 5t=6 and t=6/5