linear word problems

label Algebra
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A student's grade in a course is the average of 4 test grades and a finals exam that is worth twice as much as each test. Suppose a student has test grades of 91, 82, 83 and 92. Write an equation to model this situation where x is the student's grade on the final exam and y is the student's average for the course.

May 20th, 2015

See the attached documnt please:

Solution.pdf 

Hope this helps.

May 20th, 2015

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May 20th, 2015
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May 20th, 2015
Jun 27th, 2017
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