Question

11. (a) A sum of money is invested in compound interest at the rate of 5% per annum.
In how many years will the money be doubled?​

Answer 1

Step-by-step explanation:

we know A=p(1+r/100)*n

2p=p(1+5/100)*n

2=(1+0.05)*n

so now I think you can complete the problem and find out the n