SOLUTION: If five people clear a portion of grass on a land for twelve hours,how many hours would it. Take eight. People?
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Question 867635: If five people clear a portion of grass on a land for twelve hours,how many hours would it. Take eight. People? Answer by josmiceli(19441) (Show Source):
You can put this solution on YOUR website! Call " clear a portion of grass on a land " 1 job
So, 5 people do 1 job in 12 hrs
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1/5 as many people will take 5 times as long
to do the same job
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So, 1 person does 1 job in 60 hrs
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8 times that number of people can do the same
job in 1/8 of that time
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So, 8 people can do 1 job in 60/8 hrs
8 people can do the job in 7.5 hrs
