SOLUTION: Joan Arlington has twice as much money invested at 5% simple annual interest as she does at 4%. If her yearly income from the two investments is $252, how much does she have at eac

SOLUTION: Joan Arlington has twice as much money invested at 5% simple annual interest as she does at 4%. If her yearly income from the two investments is $252, how much does she have at eac

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Question 633522: Joan Arlington has twice as much money invested at 5% simple annual interest as she does at 4%. If her yearly income from the two investments is $252, how much does she have at each rate?
Answer by richwmiller(17219) (Show Source): You can put this solution on YOUR website!
.05x+.04y=252;
x=2y
x=3600
y=1800
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