Math-Algebra 1

Pablo has scored 64, 77, and 82 on his previous three tests. What score does he need on his next test so that his average (mean) is 79?

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  1. 400 * 0.79 = 316

    64 + 77 + 82 = 223

    316 - 223 = 93

  2. Kira has scored 61, 80, and 88 on her previous three tests. What score does she need on her next test so that her average (mean) is 77?

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    posted by kk

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