SOLUTION: a student scores 71 out of 100 on a test. if the maximum score on the next test is also 100 pts, what score does the student need to maintain at least an average of 79?

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Question 977655: a student scores 71 out of 100 on a test. if the maximum score on the next test is also 100 pts, what score does the student need to maintain at least an average of 79?
Answer by jim_thompson5910(35256) About Me  (Show Source):
You can put this solution on YOUR website!
x = score on next test (out of 100)

(first test score + second test score)/2 = average

(71 + x)/2 = 79

71+x = 79*2

71+x = 158

x = 158-71

x = 87

To maintain an average of 79, you need to score 87 or higher on the next test.