Question

At what rate percent per annum at compound interest willthe sum of 375 amount to 1029 in
3 years​

Answer 1

A = P(1+r/100)n
A/P = (1+r/100)n
1029/375 = (1+r/100)3
(7/5)3 = (1+r/100)3
7/5 = 1+r/100
7/5 -1 = r/100
2/5 = r/100
r = 40%