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Algebra

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Please solve the inequality

.04 x + .06(12000-x) >= 650

  • Algebra -

    .04x + 720 - .06x ≥ 650
    -.02x ≥ -70
    x ≥ -70/-.02
    x ≥ 3500

  • Algebra -

    Shouldn't the answer be less than or = to?

  • Algebra -

    yes, of course you are right.
    When dividing by a negative we have to reverse the inequality sign.

    Time for my third cup of coffee.

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