Answers

  • Brainly User
2016-01-17T10:03:27+08:00
X = new average score

x = [77.1 (10) + 125] ÷ 102

x = (7,710 + 125) ÷ 102

x = (7,835) ÷ 102

x = 76.81

ANSWER:  The new average is 76.81
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