8. Five marks exercise problems III

\(A\) and \(B\) can do a piece of work in \(12\) days, while \(B\) and \(C\) can do it in \(15\) days whereas \(A\) and \(C\) can do it in \(20\) days. How long would each take to do the same work?

 

Time taken by \(A\) \(=\)  days

 

Time taken by \(B\) \(=\)  days

 

Time taken by \(C\) \(=\)  days