To complete a task In 16 days a company needs 5 people 6 hours a day. How long will it take 8 people 4 hours a day, assuming they work at the same rate
+36916 With dimensional analysis:
Total hours needed = 5 p x 6 hr/d x 16 d = 480 p - hr
480 p-hr /(8p 4h)/d = 15 days
