Question

at what rate per cent compound interest does a sum of money become 1.44 times of itself in 2 years​

Answer 1

Step-by-step explanation:

1.44p = p { 1+ r/100} ^2

√1.44={1+r/100}

1.2=1+ r/100

1.2-1 =r/100

.2 ×100=r

r =20%