Question

A certain sum of money doubles itself in 8 years. In how much time will it become 4 times of itself at the same rate of interest​

Answer 1

Answer:

The money will become 4 times after 16 more years

Answer 2

Answer:

Step-by-step explanation:

According to the question data  --

to find :

T = ?

given data :

P = p

A = 4 x p

A  = 4p

R = 12.5%

=>  SI = A - P

=>  SI = 4p = p

=>   SI= 3p

=>  T = ( SI x 100 ) / (P x R)

=>  T = (3p x 100 ) 100 / p x 12.5

=>  T = 3 x 200 /25

=>  T = 24years

THIS IS THE ANSWER....