Tickets to a concert hall were sold to senior citizens, adults and children at different prices as shown.
|
Price |
Senior citizen ticket |
$3 |
Child ticket |
$9 |
Adult ticket |
$11 |
16 of the tickets sold were bought by senior citizens and
17 of them were bought by adults. The rest were bought by children.
- What fraction of the tickets sold were bought by children?
- A total amount of $12180 was collected from the sale of the tickets. How many children bought the tickets?
(a)
Fraction of tickets bought by the children
= 1 -
16 -
17 = 1 -
742 -
642 =
2942 (b)
|
Senior Citizens |
Children |
Adults |
Number |
7 u |
29 u |
6 u |
Value |
3 |
9 |
11 |
Total value |
21 u |
261 u |
66 u |
Total amount collected
= 21 u + 261 u + 66 u
= 348 u
348 u = 12180
1 u = 12180 ÷ 348 = 35
Number of children who bought the tickets
= 29 u
= 29 x 35
= 1015
Answer(s): (a)
2942; (b) 1015