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:
5x +4(2y) = 50
i can only think of this but i have no idea if it's correct
Step-by-step explanation:
7 x 13 = 91.......so 91 is not a prime, it is a composite