SOLUTION: Joe has scored 87, 92, and 82 on his first three exams in his math class. If the standard 70,80,90 scale is used for grades and the exams are equally weighted, what must he score o
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Question 992290: Joe has scored 87, 92, and 82 on his first three exams in his math class. If the standard 70,80,90 scale is used for grades and the exams are equally weighted, what must he score on the final exam, f, in order to
a) Get a C average on exams?
b) Get a B average on exams?
c) Get an A average on exams? Answer by solver91311(24713) (Show Source):
If you have scores and need to know the score on the th assignment in order to have an average of , then multiply times and subtract the sum of the first scores.
John
My calculator said it, I believe it, that settles it
