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Rosa invested $8000 for one year, part ast 8% annual interest and the balance at 10% annual interest. Her total interest for the year was $700. How much money did she invest at each rate?

  • Math -

    8000=LR + HR (lower rate $, higherrate$)
    .08*LR+ .10HR=700

    solve for LR, HR.

  • Math -

    LR 56
    HR 70

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