Entrance tickets to the concert hall are $20 each for children. The ticket for an adult costs 50% more. Last Sunday, 10% of the tickets sold were for children and the total sales of the tickets was $28130. How many tickets were sold?
| |
Adults |
Children |
Total |
| Number |
9 u |
1 u |
10 u |
| Value |
$30 |
$20 |
|
| Total value |
270 u |
20 u |
$28130 |
10% =
10100 =
110Price of each child ticket in percent = 100%
Price of each adult ticket in percent
= 100% + 50%
= 150%
Price of each adult ticket
= 150% x 20
=
150100 x 20
= $30
Total sales of tickets
= 270 u + 20 u
= 290 u
290 u = 28130
1 u = 28130 ÷ 290 = 97
Number of tickets sold
= 10 u
= 10 x 97
= 970
Answer(s): 970
