60 man can do a work in 40 days. How long will it take 40 men to complete the same work?
60 man can do a work in 40 days. How long will it take 40 men to complete the same work?
Explanation
Men days
60 : 40
40 : x
60/40= x/40, 40x= 60* 40
x= 40*60/40, x= 60