SOLUTION: Money is invested in a "guaranteed fund" at 12% simple interest. After one year, there is 840 in your account. How much was originally invested?

Question 359344: Money is invested in a "guaranteed fund" at 12% simple interest. After one year, there is 840 in your account. How much was originally invested?
Found 2 solutions by checkley77, stanbon:
Answer by checkley77(12844) (Show Source): You can put this solution on YOUR website!
X*.12X=840
1.12X=840
X=840/1.12
X=$750 WAS THE ORIGINAL INVESTMENT.

Answer by stanbon(75887) (Show Source): You can put this solution on YOUR website!
Money is invested in a "guaranteed fund" at 12% simple interest. After one year, there is 840 in your account. How much was originally invested?
----
A(t) = P(1+rt)
840 = P(1+0.12*1)
P = 840/1.12
P = $750
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Cheers,
Stan H.
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