Asked by Gary

In college algebra a student earns an average grade of 86 on his homework and 75 on his quizzes. What final examination grade will give him a total average of 80 if homework 1/10 , quizzes 3/5 and the final examination 3/10?
Answered by Writeacher
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Answered by Gary
noted
Answered by jopseph
HELLO GARY, I AM 4 YEARS LATE. I AM HERE TO HELP

75 average on quizzes
86 average on homework
? on final exam (88)

hw 1/10
quiz 3/5
fe 3/10

80 average total needed

hw 1/10
quiz 6/10
fe 3/10


quiz 60 - 45
hw 10 - 8.6
fe 30 - ? (26.4)

80

8.6 + 45 =
53.6

80 - 53.6
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