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The mean of three test scores is 74. What must a fourth test score be to increase the mean to 78?

  • Math - ,

    The answer is...
    Wait, I think I just forgot.
    Never mind!
    The answer is:
    The test scores are 34,56,78,98.
    So the fourth test score is 98.
    Hope this helped

  • Math - ,

    Melody/Jamie/Natalie/James ~

    Playing the name-switching game on this website is a good way to get yourself banned!

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