SOLUTION: investment problem.... richard inherited 15,000 dollars and invester it in two municial bonds. which pay 7% and 9% simple interest. the annual interest is 1,230.00 find the amount

Question 144992: investment problem.... richard inherited 15,000 dollars and invester it in two municial bonds. which pay 7% and 9% simple interest. the annual interest is 1,230.00 find the amount invested at each rate.
amount invested at 7% _______
amount invested at 9% _______
Answer by vleith(2983) (Show Source): You can put this solution on YOUR website!
Let x be the amount invested at 7%. Then (15000-x) is the amount at 9%

9000 at 9%
6000 at 7%

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