Mathematics, 18.02.2020 04:23 jalst6084

John took 3 exams so far this semester. He scored 45, 65 and 80 on those 3 exams . What score does he need on the fourth exam to average 70 or more on his exams?

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John took 3 exams so far this semester. He scored 45, 65 and 80 on those 3 exams . What score does h...

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