The value on an article depreciates every year at the rate of 10% of its value. If the present value of the article isRs. 729,then its worth 3 years ago was
let value of articles 3 years ago be x
value on an article depreciates every year at the rate of 10% of its value
$$ x \times \frac{90}{100} \times \frac{90}{100} \times \frac{90}{100} = 729 $$
$$ x = \frac{729 \times 100 \times 100 \times 100}{90 \times 90 \times 90} = 1000 $$
Create a FREE account and get: