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1 October, 21:52

Joaquin has a grade of 81 and 70 on her first two algebra test if she wants an average of 73 what possible score can she get on her last test

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  1. 1 October, 22:04
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    81 + 70 + x = 3 (73)

    first multiply 3 (73)

    81 + 70 + x = 219

    combine like terms

    151 + x = 219

    subtract 151 from both sides

    x = 68

    Joaquin needs to score a 68 on her next test to maintain an average of 73.
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