Register
A student scored 81 and 93 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.
151k views
3 votes
A student scored 81 and 93 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.

User Glena
by
8.2k points

1 Answer

3 votes
to have an average in between 85 and 90 he has to have a total in-between 255 and 270.her current total is 174 so her third score must be 81≤x≤96

I hope this helps.
User Nawang
by
8.0k points
Ask a Question
Welcome to QAmmunity.org, where you can ask questions and receive answers from other members of our community.

9.5m questions

12.2m answers

Other Questions

What is .725 as a fraction
How do you estimate of 4 5/8 X 1/3
A bathtub is being filled with water. After 3 minutes 4/5 of the tub is full. Assuming the rate is constant, how much longer will it take to fill the tub?
Write words to match the expression. 24- ( 6+3)
A dealer sells a certain type of chair and a table for $40. He also sells the same sort of table and a desk for $83 or a chair and a desk for $77. Find the price of a chair, table, and of a desk.
Link Copied!