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in Commercial Mathematics by (33.5k points)
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Three persons can build a small house in 8 days. To build the same house in 6 days, how many persons are required?

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Best answer

Let the persons required to build a house in 6 days be x. 

Days required to build a house and number of persons are in inverse proportion.

 ∴ 6 × x = 8 × 3 

∴ 6 x = 24 

∴ x = 4 

∴ 4 persons are required to build the house in 6 days.

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