372,572 views
42 votes
42 votes
Jenny has five exam scores of 79,66, 71, 89, and 84 in her biology class. What score does she need on the final exam to have a mean grade of 80?

Round your answer to two decimal places, if necessary. (All exams have a maximum of 100 points.)

User Sgonzalez
by
2.6k points

2 Answers

19 votes
19 votes

Answer: 76.34

Explanation:

79.66 + 71 + 89 + 84 + 76.34 = 400/5 = 80

User Mangonights
by
2.4k points
18 votes
18 votes

Answer:

she needs to get a 99

Explanation:

User Daniel Eisenreich
by
3.0k points
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