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13 September, 18:33

Jacqui has grades of 77 and 75 on her first two algebra tests. if she wants an average of at least 73 , what possible scores can she make on her third test?

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  1. 13 September, 21:06
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    If she wants an average of 73 for 3 tests,

    she needs a total of 73 x 3 = 219

    Total of the first 2 tests = 77 + 75 = 152

    Scores needed for her 3rd test = 219 - 152 = 67.

    Answer: She needs a score of 67 marks.
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