Question
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
x = grade needed
Answers
Ms. Sue
5 * 80 = 400
Add your four scores and subtract the sum from 400 to find the minimum grade for the fifth test.
Add your four scores and subtract the sum from 400 to find the minimum grade for the fifth test.