Question 1191584
IT TAKES 20 MEN 60DAYS TO COMPLETE A BUILDING WORK, HOW MANY DAYS LONGER WOULD IT TAKES 15 MEN ASSURING THAT THEY ALL WORK AT THE SAME RATE
----------------
Jobs are often expressed in man-hours of man-days estimated to do them.
20*60 = 1200 man-days
1200/15 = 80 days