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need help for this question pls urgent
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.

need help for this question pls urgent 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 class=