SOLUTION: Alan needs to earn a B in his sociology class. His current scores are 77, 92, 83, and 80. His final exam is worth 4 test scores. In order to earn a B Alan's average must lie betwee

Question 1073732: Alan needs to earn a B in his sociology class. His current scores are 77, 92, 83, and 80. His final exam is worth 4 test scores. In order to earn a B Alan's average must lie between 80 and 89 inclusive. What range of scores can Alan receive on the final exam to earn a B in the course?

Answer by Fombitz(32388) (Show Source): You can put this solution on YOUR website!
Find the weighted average, A, so that,

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