Question: A Mean (average) of 80 is needed for a final grade in a math course. A student's first four test scores were: 83, 79, 80,

A Mean (average) of 80 is needed for a final grade in a math course. A student's first four test scores were: 83, 79, 80, and 70. What do they need on the fifth test to get a grade of 80 for the course? _______

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