SOLUTION: Roberto invested some money at 7% and then invested 5,000more than twice this amount at 9% his total annual income from the two investments was $3950. ow much was invested at 9%?

SOLUTION: Roberto invested some money at 7% and then invested 5,000more than twice this amount at 9% his total annual income from the two investments was $3950. ow much was invested at 9%?

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Question 442412: Roberto invested some money at 7% and then invested 5,000more than twice this amount at 9% his total annual income from the two investments was $3950. ow much was invested at 9%?

Answer by jorel1380(3719) (Show Source): You can put this solution on YOUR website!
.07x+.09(2x+5000)=3950
7x+18x+45000=395000
25x=350000
x=14000
The amount he invested at 9% is $33000..
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