20 points will be given!
for questions 1-4, find the interest. all rates are annual interest rates.
1.principal $400 rate 5% time 1 year
$10
$20
$40
$200
2.principal $1,000 rate 8.5% time 3 years
$255
$170
$22.5
$17
3. principal $200 rate 9% time 1/2 year
$9
$18
$36
$45
4. principal $20,000 rate 12% time 3 months
$240
$600
$800
$7,200
5. you borrow $1,200 at a rate of 4.5% for a period of 6 months. how much will you repay at the end of 6 months?
$240
$600
$800
$7,200