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 how much work can B do in 1 day.

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Question 483516: 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 how much work can B do in 1 day.
Found 2 solutions by emargo19, MathTherapy:
Answer by emargo19(101) 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.

Answer by MathTherapy(10551) About Me  (Show Source):
You can put this solution on YOUR website!

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 how much work can B do in 1 day.

I don't see the reason why A was mentioned since B can do 2/5 of the job in 8 days, and it's being asked how much work B can do in 1 day.

Since B can do 2%2F5 of the job in 8 days, then we can set up a proportion to answer this question.

Let fraction of work by B in 1 day be W. Then we'll have:

%282%2F5%29%2FW+=+8%2F1

8W+=+2%2F5

W, or fraction of work that can be completed by B in 1 day = %282%2F5%29%2F8 = highlight_green%281%2F20%29