Homework Help: 7th grade math Ms. Sue please last questions

Posted by Delilah on Wednesday, January 2, 2013 at 9:32pm.

19.
Julia is allowed to watch no more than 5 hours of television a week. So far this week, she has watched 1.5 hours. Write and solve an inequality to show how many hours of television Julia can still watch this week.

20.
You are a member of your local movie theater’s club. Every time you see a movie at the theater, you earn 2 advantage points. When you earn 100 points, you get a free movie pass. Currently, you have 40 advantage points.
Write an equation to model the number of movies m you have to watch before you earn a free movie pass.
Solve the equation. Show your work.

21.
Write an equation with a variable on both sides of the equal sign that has infinitely many solutions. Solve the equation and explain why it has an infinite number of solutions.

My answers:
19.
T<5
T - 1.5 < 5 - 1.5
T = 3.5

20.
40 + 2m = 100
40 + 2m - 40 = 100 - 40
2m = 60
2m ÷ 2 = 60 ÷ 2
m = 30

21. ????????

7th grade math Ms. Sue please last questions - ?, Wednesday, January 23, 2013 at 8:34pm
hey!! did you get these correct? did you figure out how to do #21?

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