# math

A student scored 84 and 90 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 80 and
90, inclusive.

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2. 👎
3. 👁
1. 80 < (84+90+x)/3 < 90
240 < 174+x < 270
66 < x < 96

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2. 👎

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