SOLUTION: Tom invests $18,750 in two seperate accounts. One earns 10% simple interest and the other 12%. If he earned a total of $2117, how much did he invest at 10%? Thanks!

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Question 217644: Tom invests $18,750 in two seperate accounts. One earns 10% simple interest and the other 12%. If he earned a total of $2117, how much did he invest at 10%?
Thanks!
Answer by rfer(16322) About Me  (Show Source):
You can put this solution on YOUR website!
.12x+.10(18750-x)=2117
.12x+1875-.10x=2117
.02x=242
x=$12,100 at 12%
18750-12100=$6,650 at 10%