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Algebra

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Solve. Please show the algebraic inequality you used and show all of your work.


Stephanie has the following scores on her algebra tests: 85, 92, and 71. What score must she earn on her fourth test in order to have an average of 80 or above?

  • Algebra -

    (85+92+71+x)/4 ≥ 80

    Solve for x.

  • Algebra -

    1.2

  • Algebra -

    x>=4*80-85-92-71=320-85-92-71=320-248=72

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