If david has test average of 80, homework average of 90, and the final exam score of 71,
what would be his final grade according to the percentages for our class (shown below?
test: 40%
homework: 45%
final exam: 15%
a) 94
b) 86
c) 83

C) 83

Step-by-step explanation:

Calculate each average by the percentage weight, then add up the results.

0.40 (80) + 0.45 (90) + 0.15 (71)

= 32 + 40.5 + 10.65

= 83.15

Rounded to the nearest point, his final grade is 83.

true

step-by-step explanation:

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step-by-step explanation:

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