A college sold tickets to a play at $4 per ticket. anyone who attended and purchased a ticket at the door had to pay $5 a ticket. a total of 480 people attended the play and the Revenue from ticket sales was $2,100. how many people bought tickets in advance and how many people bought tickets at the door?

2 answers

number of advanced tickets ---- x
number of at door tickets ----- 480-x

4x + 5(480-x) = 2100

solve for x
gg