wd= work days per person
6(wd-8) = 5days
6 wd - 48 = 5days
1 wd = 48
5 x 48 wd = 240 total days to complete with 5
(m+5)(48-28)= 240
(m+5)20= 240
20m+100=240
20m=140
m = 7
7 is the number of extra men needed, but the total number working is 12.
This looks correct
👏🏻👏🏻👏🏻👏🏻
You are right
Oops.. didn't see this answer before replying. Seems like I am too slow to answer :)