01-08-2018
Mathematics

contestada

the value of a machine depreciates every year at the rate of 10% of its value the machine was purchases.for rs 40000 when new and it was sold for 29160 find the no. of years that the machine was used

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mathecoach mathecoach

01-08-2018

40000·(1 - 0.1)^x = 29160 --> x = 3 years

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