Question

I need an answer because Iam so confused with all of these homeworks

Answer 1

The company A equation is y=21x. The company B equation is y=18x+45
The companies will have the same price after 15 shirts are sold. To show work for this, make x in both equations 15 and you should get 315 as the answer for both. 315 is the amount of money spent on shirts.