Question

15 men can finish the work in 40 days. the number of days in which the piece of work can be done by 20 men.
Note: Do it step by step.. ​

Answer 1

number of men. time(days)

15. 40

20. ?(x)

number of men and time is in direct proportion

15:20::40:x

therefore time=20×40/15=54 days

Answer 2

in 30 days

Step-by-step explanation:

15 multiply by 20 = 30 days