Mathematics, 07.01.2021 16:30 juliopejfuhrf5447
Here are the marks of a student in four exams. 65 80 76 69 The student takes a fifth exam. His mean mark for the five exams is 70 Work out his mark in the fifth exam
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Here are the marks of a student in four exams. 65 80 76 69 The student takes a fifth exam. His mean...
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