Question

the interest on a certain sum of money is 0.24 times of itself in 3 years find the rate of interest

Answer 1

let the principal be RS.100

interest- 0.24*100
=RS.24

SI=P*R*T/100
24=100*r*3/100
24=3r
24/3=r
8=r

the rate of interest is 8%

Answer 2

Answer:

8−9=4x+2x

−1=6x

−1/6=x

Hope it will be helpful ✌️