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Mathematics 10 Online
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?

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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