Question

A city orchestra invests $5200 at 6% simple interest. How much is in the account after 1/2 year?

Answer 1

1) the  amount  in the account to the end of 1/2 year is  M , for calculate it is the following formula for simple interest

M = C(1+i*n) ; where C = Capital, i = rate of interest, n = 1/2 year or it can be wrriten as 6 / 12 as fraction of month by year

M = C[( 1+0.06*(6/12)] =  $ 5356