SOLUTION: Two tests only: A professor counts his midterm as 2/3 of the grade and his final as 1/3 o f the grade.A student scored only 64 points on the midterm.What range of scores on his fi

Question 101194: Two tests only: A professor counts his midterm as 2/3 of the grade and his final as 1/3 o f the grade.A student scored only 64 points on the midterm.What range of scores on his final exam would he need to put his average between 70 and 79 inclusive. (Solve using a compound inequality)
Answer by edjones(8007) (Show Source): You can put this solution on YOUR website!

128+x<=237...x<=109

128+x>=210...x>=82
X[82,109]
Ed
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