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To receive a grade A, the average of four 100-point exams must be 90 or better. If a student received scores of 89, 82, and 94 on the first three exams, what minimum score does he need on the fourth exam to earn an A?

Respuesta :

texaschic101
(89 + 82 + 94 + x) / 4 > = 90
(265 + x) / 4 > = 90
265 + x > = 90 * 4
265 + x > = 360
x > = 360 - 265
x > = 95.....the student would have to make a minimum of 95
oopfloop2

i did it on paper i agree with the other guy