If every six months the capital earn 10% interest which is compounded, at the end of 5 years, the interest will be 31875.
If the annual interest rate is 10%, it makes no difference how often it is compounded. The six monthly interest rate is adjusted - to 4.88% rather than 5% - so that the total interest for a year is 10%.
1200
14,400,000 dollars
4.75 percent of 900 is 42.75 . A few pennies more if the interest is compounded at any time during the year. For example, if interest is compounded every month, then you have 43.69 at the end of the year.
2500
d 2.5 years
$5,249.54
1200
It earns 431.0125 . After 4 years, it has grown to 2,431.01 .
Before she chooses a bank and deposits her money, Mary should shop around first.There are different kinds of interest.At 3.2% . . .If it's simple interest, her money will earn $ 8.80 .If it's compounded quarterly, it earns $ 8.91 in one year.If it's compounded monthly, it earns $ 8.93 .If it's compounded daily, it earns $ 8.94 .Also, by the way, notice that Mary doesn't earn the interest. Her invested money does.
14,400,000 dollars
4.75 percent of 900 is 42.75 . A few pennies more if the interest is compounded at any time during the year. For example, if interest is compounded every month, then you have 43.69 at the end of the year.
775
2500
2.5 years
2500
$810
3125