SOLUTION: a person invested $15,000 in stocks and bonds. Her investment in bonds is $3000 more than one third her investment in stocks. How much did she invest in stocks?

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Question 701382: a person invested $15,000 in stocks and bonds. Her investment in bonds is $3000 more than one third her investment in stocks. How much did she invest in stocks?
Answer by sachi(548) About Me  (Show Source):
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a person invested $15,000 in stocks and bonds. Her investment in bonds is $3000 more than one third her investment in stocks. How much did she invest in stocks?
let her investment in stocks is $x
then her investment in bonds=x/3+3000
now x/3+3000+x=15000
or (x+3x)/3=15000-3000=12000
or 4x=12000*3=36000
or x=36000/4=9000
so her investment in stocks is $9000 & in bonds is $6000
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