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Question:

A student scores 74, 87, 68, 63, 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?

A 76.3%
Explaination

The teacher will drop the 63, and only count the four best scores. These are 74, 87, 68, and 76 . To find the average, add the 4 numbers and divide the sum by 4.