Question

A student scored 78 and 95 on his first two quizzes. Use a compound inequality to find the possible values for a third quiz score that would give him an average between 80 and 90, inclusive.

Answer 1

you should put the average between 80 and 90 so 80<(78+95+x)/3<90 solve and this should give you your answer

Answer 2

67≤x≤97?

Answer 3

yesssss:)