Question

Fiana invests her savings of $1835.00 into a savings bond at a simple interest rate of 3.80%per annum . How much interest will she earn in 4 years?
If you invest $300.00 at a rate of 13.50% per annum compounded quarterly, how much
interest will you earn after 5 years?

Invest $23010.00 at interest rate of 2.90% per annum compounded semi-
annually, what will the total value of your investment be after 9 years?

Answer 1

Answer:

apply this formula

$p(1+\frac{r}{100} ){^{t} }$

for compound interest

For simple interest $\frac{PRT}{100}$

the answer for first one is

1835.00×3.80×4=2812÷100

=28.12

for second one: