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math

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A prfessor wants to supplement her pension with investment interst. If she invest $28,000 at 6%, how much more would she have to invest at 7% to achieve a goal of %3,500 per year in supplemental income?

  • math -

    28000(1.06) + x(1.07) = 3500

    solve for x

  • DOUBLE-CHECK math -

    just looked at my answer again, and it looks like I messed up

    should have said:

    28000(.06) + x(.07) = 3500

    the answer is 26000

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