SOLUTION: Mrs. Carter invested a sum of money at 4%. she invested a second sum, $250 more than the first sum, at 6%. If the total annual income was $90, how much did she invest at each amont

SOLUTION: Mrs. Carter invested a sum of money at 4%. she invested a second sum, $250 more than the first sum, at 6%. If the total annual income was $90, how much did she invest at each amont

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Question 500051: Mrs. Carter invested a sum of money at 4%. she invested a second sum, $250 more than the first sum, at 6%. If the total annual income was $90, how much did she invest at each amont?
Answer by mananth(16946) (Show Source): You can put this solution on YOUR website!
X------------4%
x+250 -------6%
Interest from both =90
0.04x+0.06(x+250)= 90
0.04x+0.06x+15=90
0.1x=90-15
0.1x=75
x=750
$750 @ 4%
$1000 @ 6%
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