Mathematics, 02.09.2020 14:01 ineedhelp2285

A student has scores of 79, 78, and 82.75 on his first three tests. He needs an average of at least 80 to earn a grade of B. What is the minimum score that the student needs on the fourth test to ensure a B?

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A student has scores of 79, 78, and 82.75 on his first three tests. He needs an average of at least...

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