Question

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?

Answer 1

Please use only one name for your posts.

Be sure to go back and indicate what you do or don't understand about each of the problems you posted. The math tutors can help you if you let them know.

Answer 2

noted

Answer 3

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