SOLUTION: A student earned grades of 78, 78, 91, and 91 on her first four regular tests. She earned a grade of 78 on the final exam and 87 on her class projects. Her combined homework grade

Question 621242: A student earned grades of 78, 78, 91, and 91 on her first four regular tests. She earned a grade of 78 on the final exam and 87 on her class projects. Her combined homework grade was 87. The four regular tests count for 40% of the final grade, the final exam counts for 30%, the project counts for 10%, and homework counts for 20%. What is her weighted mean grade? Round to one decimal point.
Answer by ankor@dixie-net.com(22740) (Show Source): You can put this solution on YOUR website!
A student earned grades of 78, 78, 91, and 91 on her first four regular tests.
She earned a grade of 78 on the final exam and 87 on her class projects.
Her combined homework grade was 87. The four regular tests count for 40% of the final grade, the final exam counts for 30%, the project counts for 10%, and homework counts for 20%.
What is her weighted mean grade? Round to one decimal point.
:
Find the reg grade average
r =
r = 84.5 reg grade average
:
Mean grade
mg =
:
mg =
:
mg =
mg = 83.3% is the weighted mean grade
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