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3 January, 00:28

Cindy averaged 88 on the first four tests of the year in her Algebra 2 class. If she scores a 95 on each of the remaining tests, her average will be a 93. Determine how many tests are left in the year.

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  1. 3 January, 00:31
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    Let x represent the number of remaining tests this year.

    [4 (88) + x (95) ] / (4 + x) = 93

    352 + 95x = 372 + 93x

    2x = 20

    x = 10
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