SOLUTION: From Elementary and Intermediate Algegra text book 2nd Edition Chapter 2 Prof. X counts his midterm as 2/3 of the grade and his final as 1/3 of the grade. Wendy scored only 48 on

Algebra ->  Algebra  -> Inequalities -> SOLUTION: From Elementary and Intermediate Algegra text book 2nd Edition Chapter 2 Prof. X counts his midterm as 2/3 of the grade and his final as 1/3 of the grade. Wendy scored only 48 on       Log On

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Question 120305: From Elementary and Intermediate Algegra text book 2nd Edition Chapter 2
Prof. X counts his midterm as 2/3 of the grade and his final as 1/3 of the grade. Wendy scored only 48 on the midterm. What range of scores on the final exam would put Wendy's average between 70 and 79 inclusive?
Tried 70 < x + 48 divided by 2 < 79 but doesn't look right.

Answer by scott8148(5880) About Me  (Show Source):
You can put this solution on YOUR website!
you're sort of on the right track

try 70<=(x/3)+48(2/3)<=79

38<=(x/3)<=47 __ 114<=x<=141