Question

Worker A can finish a job in

3 hours. When working at
the same time as Worker
B, they can finish the job in
2 hours. How long does it
take for Worker B to finish
the job if he works alone

Answer 1

4

Explanation:

`(1)/(2) - (1)/(3) \\ \\ = (1)/(6) * 24 \\ = 4`