there are 500 seats in the auditorium. A concert was playing there and 1/5 of the seats were not filled. All the other seats that were filled cost $5.00 a piece to sit in. HOw much money was made in concert tickets ?

2 answers

1/5 * 500 = 100

500 - 100 = 400

400 * $5 = ?
they made 2000 dollars