Asked by Emelia

These are your test scores: 82, 78, 93, and 70. With an average of 80 for a B needed, what score do you need to get on your next test to have a B in class?

x = grade needed

Answers

Answered by Ms. Sue
5 * 80 = 400

Add your four scores and subtract the sum from 400 to find the minimum grade for the fifth test.
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