SOLUTION: Paul's second test score was 8 points higher than his first test score. His third score was 88. He had a B average (between 80 and 89, inclusive) for the three tests. What can you

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Question 915545: Paul's second test score was 8 points higher than his first test score. His third score was 88. He had a B average (between 80 and 89, inclusive) for the three tests. What can you conclude about his first test score? It was between:
Answer by CubeyThePenguin(3113) About Me  (Show Source):
You can put this solution on YOUR website!
first test score = x

80 < average < 89
80 < (x + (x + 8) + 88)/3 < 89
240 < 2x + 96 < 267
144 < 2x < 171
72 < x < 85.5

Paul scored between a 72 and an 85.5 on his first test.