A machine was purchased 2years ago. it's value decreases by 10 % every year. It's present value is rs. 19083.60.For how much money was the machine purchased
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let the original value be Rs. x
Then value after 1 year = x- 1/10x
= 9/10x
and value after 2 years = 9/10x - 1/10*9/10x
9/10x - 9/100x
81/100x
A.T.Q
81/100x = 19083.60
x= 19083.6 *100/81
x =Rs 23560
Then value after 1 year = x- 1/10x
= 9/10x
and value after 2 years = 9/10x - 1/10*9/10x
9/10x - 9/100x
81/100x
A.T.Q
81/100x = 19083.60
x= 19083.6 *100/81
x =Rs 23560
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