SOLUTION: A and B can do work in 6 days. if A works alone he takes 10 days. what will be the time required by B to complete the work????

Algebra ->  Average -> SOLUTION: A and B can do work in 6 days. if A works alone he takes 10 days. what will be the time required by B to complete the work????      Log On


   

Question 467891: A and B can do work in 6 days. if A works alone he takes 10 days. what will be the time required by B to complete the work????
Answer by josmiceli(19441) About Me  (Show Source):
You can put this solution on YOUR website!
Add their rates of working to get
their rate working together
Let A's rate = 1 job / a days
Let B"s rate = 1 job / b days
given:
+1%2Fa+%2B+1%2Fb+=+1%2F6+
+1%2Fa+=+1%2F10+
+1%2F10+%2B+1%2Fb+=+1%2F6+
+1%2Fb+=+10%2F60+-+6%2F60+
+1%2Fb+=+4%2F60+
+1%2Fb+=+1%2F15+
B can do 1 job in 15 days