Question

the cost of a television is 30,000 it depreciate at a rate of 20% find out the cost of it after 2 years

Answer 1

Heya!

PrincessAriana here!

The answer of this question is Rs 19200

I've attached a picture for your clarification.

Hope it helps you mate!

Answer 2

$cost \: of \: tv \: after \: 2 \: years = p {(1 - \frac{r}{100} )}^{n} \\ 30000 {(1 - \frac{20}{100} )}^{2} \\ = 30000 {(1 - \frac{1}{5}) }^{2} \\ = 30000 {( \frac{4}{5}) }^{2} \\ = 30000 \times 16 \div 25 \\ = 1200 \times 16 \\ = 19200$