3 years ago

80% of Vanessa's final grade is based on the average score of her quizzes, which is 73.

1 answer:

8 0

80% of quizzes + 20% of final = final grade

80% * 73 + 20% * x = 70

0.8 * 73 + 0.2x = 70

58.4 + 0.2x = 70

0.2x = 11.6

x = 58

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