Question

in what time will a sum of money treble itself at 13% p.a compound interest​

Answer 1

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Answer:

Please check the question again!

Step-by-step explanation:

Are you sure its compound interest ?

here A = 3P

r = 13

n = x

A = P(1+ r/100)^n

3 = (1+ 13/100)^n

3 = (113/100)^n