24 men working at 8 hours per day can do a piece of work in 15 days how many days can 20 men working at 9 hours per day the same work
Answers
Answered by
140
Answer:
16 days
Step-by-step explanation:
24 men working at 8 hours per day can do the work in 15 days
Amount of work = 24 x 8 x 15 = 2880 man-hour
Find the number of days needed for 20 men working 9 hours a day:
Time number of man-hour = 20 x 9 = 180
Number of days needed = 2880 ÷ 180 = 16 days
Answer: 16 days
Answered by
64
Answer:
16 days
Step-by-step explanation:
Given 24 men working at 8 hours per day can do a piece of work in 15 days how many days can 20 men working at 9 hours per day do the same work.
24 men work 8 hours per day does the work in 15 days
20 men work 9 hours per day in how many days?
24 x 8 x 15 = 2880 and 2880 / 20 x 9 = 2880 /180 = 16 days
Alternatively we can do as
15 x 24/20 x 8/9 = 16 days
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