Question

at what rate percent per annum will a sum of money be four times of itself in 12 years

Answer 1

Step-by-step explanation:

Amount =4p-p

=3p

3p=p×12×r/100

3=12r/100

300/12=r

25=r

please mark my answer it's very needed for me thank you

Answer 2

Step-by-step explanation:

i hope you understand well.

Thank you