document.write( "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. \n" ); document.write( "
Algebra.Com's Answer #806131 by CubeyThePenguin(3113)\"\" \"About 
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y = (89 + 90 + 82 + 91 + 4x)/8 \n" ); document.write( "
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