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Emma received grades of 68, 74, and 86 on 3 tests. What is the lowest grade she could get on a 4th test if she needs her average to be 80 or higher?

Emma received grades of 68, 74, and 86 on 3 tests. What is the lowest grade she could get on a 4th test if she needs her average to be 80 or higher?
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Emma received grades of 68, 74, and 86 on 3 tests. What is the lowest grade she could get on a 4th test if she needs her average to be 80 or higher?

User Heps
by
8.6k points

2 Answers

4 votes
92 would be the answer
User The Busy Wizard
by
7.8k points
2 votes

Answer:

92

Explanation:

68+74+86+x/4 ≤ 80

User Mike Hawkins
by
8.4k points
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