## Sarah_Miller720 Group Title 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. the answer i got is 80 ≤ x ≤ 90 one year ago one year ago

1. Mertsj Group Title

$80\le \frac{78+95+x}{3} \le 90$

2. Sarah_Miller720 Group Title

so did i get the correct answer?

3. Mertsj Group Title

$240\le 173+x \le 270$

4. Mertsj Group Title

$240-173\le x \le270-173$

5. Sarah_Miller720 Group Title

67 ≤ x ≤ 97

6. Mertsj Group Title

$67 \le x \le 97$

7. Sarah_Miller720 Group Title

i got it right then :)