Mathematics, 25.06.2019 19:40, samanthashade3434

Henri 's average score after 8 tests was 91 % .but , if he gets 78 % on his 9 tests . what will his new average be remember also , formula average = sum of all values given / number of all values given

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Henri 's average score after 8 tests was 91 % .but , if he gets 78 % on his 9 tests . what will his...