math
posted by Boobear on .
Problem #1: Find the total amount if you deposit $500 at a rate of 5% for two years using simple interest.
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Year 2
Problem #2: Find the total amount if you deposit $300 at a rate of 6% for three years using simple interest.
Year 1
Year 2
Year 3
Problem #3: Find the total amount if you deposit $ 600 at a rate of 5% for two years compounded annually.
Year 1
Year 2
Problem #4: Find the total amount if you deposit $800 at a rate of 8% for a total of four years compounded annually.
Year 1
Year 2
Year 3
Year 4

1. P = Po + Po*r*t
P = 500 + 500*0.05*2 = $550.
2. Same procedure as #1.
3. P = Po(1+r)^n
r = 5%/100% = 0.05 = Annual % rate expressed as a decimal.
n = 1comp/yr * 2yrs = 2 compounding periods.
Plug the above values into the given Eq
and get $661.50.
4. Same procedure as #3.