SOLUTION: Ann invested $9000 in two accounts. One account gave 10% interest and the other 8%. FInd the amount invested in each account if she recieved $840 interest after one year.

SOLUTION: Ann invested $9000 in two accounts. One account gave 10% interest and the other 8%. FInd the amount invested in each account if she recieved $840 interest after one year.

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Question 248970: Ann invested $9000 in two accounts. One account gave 10% interest and the other 8%. FInd the amount invested in each account if she recieved $840 interest after one year.
Answer by rfer(16322) (Show Source): You can put this solution on YOUR website!
.08x+.1(9000-x)=840
.08x+900-.1x=840
-.02x=-60
x=$3000 at 8%
$6000 at 10%

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