SOLUTION: A can do 1/3 of certain work in 10 days and B can do 2/5 of the same work in 8 days find in how many days the work will be completed if they work together?

Algebra ->  Rate-of-work-word-problems -> SOLUTION: A can do 1/3 of certain work in 10 days and B can do 2/5 of the same work in 8 days find in how many days the work will be completed if they work together?      Log On


   



Question 479076: A can do 1/3 of certain work in 10 days and B can do 2/5 of the same work in 8 days find in how many days the work will be completed if they work together?
Answer by robertb(5830) About Me  (Show Source):
You can put this solution on YOUR website!
x%281%2F30+%2B+1%2F20%29+=+1
<==> x%2F12+=+1 ==> x = 12 days to finish the job working together.