Quantitative Reasoning

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  • PE1.9
  • March 4, 2015 at 2:03 pm #29674

    Ezra Halleck
    Participant

    9. On her first 3 tests, Julia got 85, 72 and 90. What is the range of scores Julia can get on her final exam (weighted twice) for a B in the course (average between 80 and 89). You must solve the problem by defining a variable (not x) and setting up a sandwich inequality.

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