Tickets to a concert hall were sold to senior citizens, adults and children at different prices as shown.
|
Price |
Senior citizen ticket |
$5 |
Child ticket |
$9 |
Adult ticket |
$15 |
18 of the tickets sold were bought by senior citizens and
15 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 $8924 was collected from the sale of the tickets. How many children bought the tickets?
(a)
Fraction of tickets bought by the children
= 1 -
18 -
15 = 1 -
540 -
840 =
2740 (b)
|
Senior Citizens |
Children |
Adults |
Number |
5 u |
27 u |
8 u |
Value |
5 |
9 |
15 |
Total value |
25 u |
243 u |
120 u |
Total amount collected
= 25 u + 243 u + 120 u
= 388 u
388 u = 8924
1 u = 8924 ÷ 388 = 23
Number of children who bought the tickets
= 27 u
= 27 x 23
= 621
Answer(s): (a)
2740; (b) 621