Question

In what time will a sum of money at 40% S.I treble itself​

Answer 1

Step-by-step explanation:

in this problem the unknown is n

Solving the above for n

n = (S - P) / (P i)

Given:

S=3P

i = 16% = .16

then

n = (3P - P) / (P .16) = 2 /.16 = 12.5 years