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OpenStudy (anonymous):
Sara invested $3500, part at 7% interest per year and the rest at 5%. If the annual income (interest earned) was $214, how much was invested at each rate?
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OpenStudy (cathyangs):
1950 at 7%, 1550 at 5%
OpenStudy (anonymous):
how do u get the answer:$
OpenStudy (anonymous):
7x+5y = 21400; x+y = 3500 => x = 1950; y = 1550
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