Question

The present price of a scooter is ₹ 7,800. If its value decreases every

year by 10%, then find its value after 2 years.​

Answer 1

Answer:

₹6318

Step-by-step explanation:

in the formula of compound interest

replace the rate with the negative sign

P(1+-R/100)²

so solve

78x81

₹6318

pls check with ur teacher also.

Answer 2

Answer:

Rs 6318.

Step-by-step explanation:

present price of a scooter=Rs 7800

% of decrease in the price of a scooter every year=10%

value of the scooter after 2 yrs be x.

decrease of price in 1st yr = 10% of 7800

= Rs 780.

price of scooter after decrease of 10% in 1st yr=7800-780=Rs 7020.

decrease of the price in 2nd yr = 10% of 7020

= Rs 702.

price of scooter after 2 yrs =7020-702=Rs 6318.

So,the answer is Rs 6318.