Mathematics
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OpenStudy (anonymous):
how much would $500 dollars invested at 7% interest compounded annually be worth after 4 years? Round your answer to the nearest cent.
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OpenStudy (anonymous):
I got $655.40
OpenStudy (anonymous):
is that rite
OpenStudy (anonymous):
For 4 Year's.
OpenStudy (anonymous):
yeah 4 years
OpenStudy (anonymous):
I got 700.00
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OpenStudy (anonymous):
I did 500 times 7% times 4.
OpenStudy (anonymous):
well you'd use the compound interest formula of course
OpenStudy (anonymous):
im just checking if my answer is correct
OpenStudy (anonymous):
hello?
OpenStudy (anonymous):
yeah & I got $655.40
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OpenStudy (anonymous):
is that correct
OpenStudy (anonymous):
I / pt = r
OpenStudy (anonymous):
I = 0.07
OpenStudy (anonymous):
p = 500
OpenStudy (anonymous):
t = 4
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OpenStudy (anonymous):
p * t or 500 * 4 =2000
OpenStudy (anonymous):
yea I did all this but I just want to make sure if my answer is right
OpenStudy (anonymous):
if you followed the procedure i guest it would be right
OpenStudy (anonymous):
i used the compound interest formula
OpenStudy (anonymous):
anyways what abt this?
You deposit $425 into the account, where it earns 6.2% annual interest, compounded monthly, and leave it there for 18 months.
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OpenStudy (anonymous):
same type of problem but im a little confused on what u do w/ the 18 months
OpenStudy (anonymous):
you turn 18 months to years
1.6 years
OpenStudy (anonymous):
oh ok. wouldn't it be 1.5years though
OpenStudy (anonymous):
cuz it's 1 1/2 mos.
OpenStudy (anonymous):
sorry 1 1/2 yrs
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OpenStudy (anonymous):
theres 12 months in a year so 1 year and then 18 m - 12 m = 6 m so 1 y and 6 m