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OpenStudy (anonymous):
in preparation for the final exam, which counts as two exams, a student has scores of 88 and 97 and 91. what does the student need on the final exam to have a 90 average?
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OpenStudy (anonymous):
(88+97+91+x)/4=90 360-88-97-91=x=84
OpenStudy (anonymous):
oh wait, thats also wrong! counts as two exams...
OpenStudy (anonymous):
(88+97+91+2x)/5=90 x=87
OpenStudy (anonymous):
just curious, what are these questions for?
OpenStudy (anonymous):
math final i am in a remedial math class
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OpenStudy (anonymous):
I see... keep working at it!
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