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Calcmathlete

  • 3 years ago

Whitney is taking Modeling 101. On her first modeling quiz, she received a grade of 75%. On her second modeling quiz, she received an 85%. She has her upcoming final exam, and wants to know what grade she needs to receive a C (which in this class, requires a 50% average on all coursework). If quizzes all hold the same weight, and her final is 60% of her grade, what grade must she achieve on her final?

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  1. Lukecrayonz
    • 3 years ago
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    75+85/2=80 is her current grade

  2. Lukecrayonz
    • 3 years ago
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    so umm, one sec i remember this haha

  3. Lukecrayonz
    • 3 years ago
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    Okayyyyy I remember

  4. Calcmathlete
    • 3 years ago
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    you've done this problem before?

  5. Lukecrayonz
    • 3 years ago
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    Jesusss I am forgetting everything I know about math right now..

  6. Calcmathlete
    • 3 years ago
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    NEverrrr mind. I got it. 30. [4(80) + 6x]/10 = 50 320 + 6x = 500 6x = 180 x = 30

  7. Calcmathlete
    • 3 years ago
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    Thanks for trying though.

  8. Lukecrayonz
    • 3 years ago
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    Hmm, I got like 10.8 somehow, thankfully you didn't listen to me, but thanks for showing work so I can remember everything, horrible night for math for me and its 3:11 A.M

  9. Calcmathlete
    • 3 years ago
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    lol. Same here.

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