I would say the 60 + 20 represents how the shirts cost the same amount. Then I would say the x either represents the cost before tax or how to find the cost of the shirts.
I hope this helps!
Good Luck!
Answer:
I'm doing the same thing and, I don't understand it either.
Step-by-step explanation:
<em><u>It's 30</u></em>
<em>Hope that helped!</em>
