Acollege sold tickets to a play at 4 dollars a ticket. anyone who attended and paid for a ticket at the door had to pay 5 dollars a ticket. a total of 480 people attended the play, and the revenue from ticket sales was $2100. how may people bought tickets in advance and how many people paid at the door?

Type the correct answer in the box. consider the system of linear equations below. rewrite one of the two equations above in the form ax + by = c, where a, b, and c are constants, so that the sum of the new equation and the unchanged equation from the original system results in an equation in one variable.