Question

10. A ,B and C can together do a piece of work in 15 days B alone can do it in 30 days and
C alone can do it in 40 days . In how many days A alone can do the work ?​

Answer 1

Answer:

20

Step-by-step explanation:

1. 3 can do in 15 so 15÷3
2. 5
3. b can do in 30
4. c can do in 40
5. a can do in 20
6. make as brainlist