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39 persons can repair a road in a 12 days working 5 hours per day in how many days will 30 person working 6 hours per day complete the work |
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Answer» ong>Answer: et the required number of days be x.
Less PERSONS, More days (Indirect PROPORTION)
More working hours PER day, Less days (Indirect Proportion)
Persons30:39Working hours/day6:5}⋮⋮ 12:x
=> 30 * 6 * x = 39 * 5 * 12
=> x= 13 |
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