Question

a contractor employs 40 men to do a piece of work in 60 days each man working 9 hours a day he is then requested to do the job in 48 days how many more men working 10 hours a day does he need to employ​

Answer 1

Answer:

45

Step-by-step explanation:

total man hours initially = 40*60*9=21600 man-hours.

new hours = 48*10=480 hrs

new men required=21600/480=45