SOLUTION: Write a system of equations: Ann has $5000 to invest. She invests in two different accounts, one expected to return 4.5% and the other expectedto return 9%. In order to earn $3

SOLUTION: Write a system of equations: Ann has $5000 to invest. She invests in two different accounts, one expected to return 4.5% and the other expectedto return 9%. In order to earn $3

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Question 226450: Write a system of equations:
Ann has $5000 to invest. She invests in two different accounts, one expected to return 4.5% and the other expectedto return 9%. In order to earn $320.50 for the year, how much should she invest at each rate.
Answer by rfer(16322) (Show Source): You can put this solution on YOUR website!
.045x+.09(5000-x)=320.50
.045x+450-.09x=320.50
-.045x=-129.50
x=$2878 4.5%
5000-x=$2122 9%
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