Question

Find the interest on $4000 at 3.5% annual interest for 1 year 6 months

Answer 1

the interest for 1 year:

`3.5\% \cdot 4000 = 140`

the interest for 6 months:

`(140)/(2) = 70`

the interest for 1 year 6 months:

`140+70 = \bf \$ 210`