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March 28, 2017

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Paul has grades of 73 and 86 on his first two tests. What must he score on his third test in order to have an average of at least 70?

  • math - ,

    Mean = sum of scores/number of scores

    70 = (73+86+x)/3

    Solve for x.

  • math - ,

    53

  • math - ,

    I mean 51.

  • math - ,

    -125

  • math - ,

    69

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