Here\'s my question: Different Weights Professor Williamson counts his midterm a

Question

   Here's my question:    Different Weights    Professor Williamson counts his midterm as 2/3 ofthe grade and his final as 1/3 of the grade. Wendy scored only 48on the midterm. What range of scores on the final exam would putWendy's average between 70 and 79 inclusive?    Here's my question:    Different Weights    Professor Williamson counts his midterm as 2/3 ofthe grade and his final as 1/3 of the grade. Wendy scored only 48on the midterm. What range of scores on the final exam would putWendy's average between 70 and 79 inclusive?

Explanation / Answer

so her final marked score=x/3 now as her mid term score is 48 ,her marked score is 2/3 of48=32 now by the problem, 70<=x/3 + 32<=79 multiplying by 3 210<=x+96<=237 subtracting 96 from both side 210-96<=x<=237-96 114<=x<=141 this is her range of marks

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