Question 756683
10 masons can build a wall working 7 hrs a day in 12 days. in how many days can a work be completed by 14 persons, working 8 hrs a day
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10 masons can build a wall working 7 hrs a day in 12 days.
7 hr * 12 days = 84 hours
10*84 = 840 man-hrs to build the wall
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14 men * 8 hr = 112 man-hrs/day
840/112 = 7.5 days