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11. Use the simple interest formula to find the missing entries in the following table. Round
monetary amounts to the nearest cent, percents to the nearest hundredth of a percent, and time
to the nearest month. Use 365 days = 1 year.
Interest
1.
b.
f.
$400
$400
$400
d.
Principal
$980
$2,900
$3,500
$3,000
$750,000
e.
P
Rate
2.6%
3.05%
4.5%
0.66%
1.2%
2.11%
C.
Time
1 yr
15 mo
y dollars
12. How much simple interest would x dollars eam in 13 months at a rate of r percent?
13. How long would $100,000 take to double at a simple interest rate of 8%?
14. How long would $450 take to double at a simple interest rate of 100%?
15. What simple interest rate, to the nearest tenth, Is needed for $15,000 to double in 8 years?
16. Arrange these fractions of a year in ascending order: 190 days, 5 months, 160 days, 7 months, 200
days.
g.
4 years
3 yr
100 days
