A and B, working together can finish a piece of work in 6 days, while A alone can do it in 9 days. How much time will B alone take to finish it?
Answers
Answered by
7
Answer:
18days
Step-by-step explanation:
1/9+1/B=1/6
1/B=1/6-1/9
1/B=1/18
B=18days
Similar questions