SOLUTION: The number of days it takes to build a house is inversely proportional to the number of people helping to build it. If it takes 10 people 40 days to build the house, how long will
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Question 966484: The number of days it takes to build a house is inversely proportional to the number of people helping to build it. If it takes 10 people 40 days to build the house, how long will it takes 8 people to build the house?
Answer by ikleyn(52810) (Show Source): You can put this solution on YOUR website!
According to the condition, the product (number of workers) x (duration of construction in days) = constant, is the constant value.
Therefore, you can solve the problem as follows.
It takes 10 people x 40 days = 400 people-days to build the house.
Hence, 8 people can build the house in = 50 days.
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