Mathematics, 02.10.2019 00:40 21teunissen149

Your scores on test in math are 89, 95 and 76. you will be taking one more test and you want your (mean) average to be 90. what will your test score have to be?

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Your scores on test in math are 89, 95 and 76. you will be taking one more test and you want your (m...