SOLUTION: if a person invested half of her money at 12% and half at 9% and received 210 interestˏ find the total amount of money invested?

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Question 944614: if a person invested half of her money at 12% and half at 9% and received 210 interestˏ find the total amount of money invested?
Answer by stanbon(75887) About Me  (Show Source):
You can put this solution on YOUR website!
if a person invested half of her money at 12% and half at 9% and received 210 interestˏ find the total amount of money invested?
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Equation::
Interest + Int = Int
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0.12x + 0.09x = 210
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0.21x = 210
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x = $1000
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Ans: Total amount = $2000
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Cheers,
Stan H.
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