Question

Please answer the question with an explanation I

Answer 1

Step-by-step explanation:

formula of simple interest

Answer 2

Answer:

9.18 (COMPOUND INTEREST)

Step-by-step explanation:

A = P(1+r)^t (COMPOUND INTEREST FORMULA)

HERE A = 3x And P = x, because the fund is tripled in 12.5 years and t will be 12.5

PUTTING THESE VALUES:

3x = x(1+r)^12.5

x will get cancelled from both the sides

3=(1+r)^12.5

3^1/12.5 = (1+r)

1.091878 = (1+r)

comparing both sides:

r= 9.18 (approx.)