SOLUTION: Natsumi receives $126 per year in simple interest from three investments. Part is invested at 2%, part at 3%, and part at 4%. There is $500 more invested at 3% than at 2%. The amou

SOLUTION: Natsumi receives $126 per year in simple interest from three investments. Part is invested at 2%, part at 3%, and part at 4%. There is $500 more invested at 3% than at 2%. The amou

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Question 809259: Natsumi receives $126 per year in simple interest from three investments. Part is invested at 2%, part at 3%, and part at 4%. There is $500 more invested at 3% than at 2%. The amount invested at 4% is three times the amount invested at 3%. Find the amount invested in each rate.
Answer by richwmiller(17219) (Show Source): You can put this solution on YOUR website!
.02a+.03b+.04c=126,
b=a+500,
c=3b
a=300., b=800., c=2400.

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