Question

25 men working 8 hours a day do a job in 63 days. How long would 45 men take to finish
the job, working 7 hours a day?​

Answer 1

Answer:

45 man takes 40 days to finish the job.

Step-by-step explanation:

Answer 2

25 men working 8 hours a day = 200 hours of work done a day.

They do a job in 63 days so total time taken is 12,600 hours.

45 men working 7 hours a day = 315 hours of work a day.

Number of days taken = 12,600/315=40