Question

. A can do a piece of work in 4 hours, B and
C together in 3 hours, and A and C to-
gether in 2 hours. How long will B alone
take to do it?​

Answer 1

Answer:

A=4

B+C=3

A+C=2

then put the value of A

4+C=2

C=2

so

B+2=3

B= 1