SOLUTION: Mr Williams counts his midterm as 2/3 of the grade and his final as 1/3. Jack scored a 48 on the mid term. What range of scores on the final exam will he have to make to get an av

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Hi,

Let x represent score on the final exam

(48*2 + x)/3 

70< 32 + x/3 <79

38 < x/3 < 47

114 < x < 141



checking our answer with a final score = 130

(96 + 130) = 75.333