SOLUTION: A students grade in a course is the average of 4 test grades and a final exam that is worth four times as much as each test. Suppose a student has test grades 89, 90, 82, and 91.
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Question 885378: A students grade in a course is the average of 4 test grades and a final exam that is worth four times as much as each test. Suppose a student has test grades 89, 90, 82, and 91. Write an equation to model this situation where x is the student's grade on the final exam and y is the students average for the course.
Answer by CubeyThePenguin(3113) (Show Source): You can put this solution on YOUR website!
y = (89 + 90 + 82 + 91 + 4x)/8
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