SOLUTION: Investments. An executive nearing retirement made Two investments totaling $45,000. In one year, these Investments yielded $2430 in simple interest. Part of the money was invest

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Question 384504: Investments. An executive nearing retirement made
Two investments totaling $45,000. In one year, these
Investments yielded $2430 in simple interest. Part of
the money was invested at 4% and the rest at 6%.
How much was invested at each rate?
Answer by rfer(16322) About Me  (Show Source):
You can put this solution on YOUR website!
0.04x+0.06(45000-x)=2430
0.04x+2700-0.06x=2430
-0.02x=-270
x=13500 at 4%
45000-x=31500 at 6%