SOLUTION: A student scored 84 and 87 on her first two quizzes. Write and solve a compound inequality to find the possible values for a third quiz score that would give her an average between
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Question 1014026: A student scored 84 and 87 on her first two quizzes. Write and solve a compound inequality to find the possible values for a third quiz score that would give her an average between 85 and 90, inclusive.
Answer by Boreal(15235) (Show Source): You can put this solution on YOUR website!
The total divided by 3 has to be between 255 and 270.
255<=171+x<=270
or 84<=x<=99
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