Question

a man earned and interest of 240 in 4 years at 20%per annum simple interest. calculate the principal​

Answer 1

We need I = prt.

240 = p(0.20)(4)

240/[(0.20)(4)] = p

Use your calculator to calculate the left side.

Answer 2

Explanation:

P x 20/100 x 4=240

1/5 x 4p =240

4/5p x5=240 x 5

4p/4=1200/4

p=300