13. 4 workers can build a house in 88 days. How many days
14. 25 men can finish a piece of work in 16 days. How many men will be needed to finish it in
house?
days?
Im If the distance between two cities on a map is 85
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13
24 workers - 15 days
8 workers - ?
24×15=8×?
360=8×?
8
360
=?
45=?
8 workers take 45 days to build same wall.
14
Multiply the current number of men (40) by 26/16. The reason for this is the job takes 40 x 26 man days to do. That’s 1040. So divide it by 16 days to see how many men are needed. The answer is 65 men. 65 x 16 = 1040 man days.
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