SOLUTION: Professor Williamson counts his midterms as 2/3 of the grade and his final as 1/3. Wendy scored only a 48 on the midterm. What range of score on the final would put Wendy's avera
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Question 145395: Professor Williamson counts his midterms as 2/3 of the grade and his final as 1/3. Wendy scored only a 48 on the midterm. What range of score on the final would put Wendy's average between 70 and 79 inclusive? Answer by ankor@dixie-net.com(22740) (Show Source):
You can put this solution on YOUR website! Professor Williamson counts his midterms as 2/3 of the grade and his final as 1/3. Wendy scored only a 48 on the midterm. What range of score on the final would put Wendy's average between 70 and 79 inclusive?
:
Let x = final grade (which counts 1/3 of the grade)
: = 70
:
96 + x = 3(70)
:
x = 210 - 96
:
x = 114 to get an av grade of 70
:
and
: = 79
:
96 + x = 3(79)
:
x = 237 - 96
:
x = 141 to get an av grade of 79
:
The range would be 114 to 141
