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A student scores 74, 87, 68, 63, and 76 on his last five exams. His teacher will drop the lowest grade to compute the student's average. What is the student's average in the class?
76.3
79.4
84.9
89.4
Detailed Explanation
To find the student's average, we first need to find the lowest grade. The lowest grade is 63. We then drop the lowest grade and compute the average of the remaining four grades.
(74 + 87 + 68 + 76) / 4 = 76.25
Rounding up we have 76.3
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