carmen wants to tie a piece of ribbon onto balloons for a party. She has a ribbon that is 22 1/2 inches long which she'll cut into three equal pieces. how long will each piece be?

I'm so close to finishing all these.

Do not comment if you aren’t going to . create a real-life situation and create a system and show how it might be modeled algebraically with a system of equations (or inequalities) show all work include a few sentences explaining the situation, your variables of choice and what each represents, and how you would set it up and solve it algebraically. !

Evaluate the expression for the given value of the variable 7a - 4a for a =8