SOLUTION: an executive nearing retirement made two investments totaling $45000. in one year these investments yielded $2430 in simple interest. part of the money was invested at 4% and the

SOLUTION: an executive nearing retirement made two investments totaling $45000. in one year these investments yielded $2430 in simple interest. part of the money was invested at 4% and the

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Question 375950: an executive nearing retirement made two investments totaling $45000. 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) (Show Source): You can put this solution on YOUR website!
.04x+.06(45000-x)=2430
.04x+2700-.06x=2430
-.02x=-270
x=13500 at 4%
45000-x=31500 at 6%
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