Tickets to a stadium were sold to senior citizens, adults and children at different prices as shown.
|
Price |
Senior citizen ticket |
$2 |
Child ticket |
$7 |
Adult ticket |
$11 |
110 of the tickets sold were bought by senior citizens and
34 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 $3230 was collected from the sale of the tickets. How many children bought the tickets?
(a)
Fraction of tickets bought by the children
= 1 -
110 -
34 = 1 -
220 -
1520 =
320 (b)
|
Senior Citizens |
Children |
Adults |
Number |
2 u |
3 u |
15 u |
Value |
2 |
7 |
11 |
Total value |
4 u |
21 u |
165 u |
Total amount collected
= 4 u + 21 u + 165 u
= 190 u
190 u = 3230
1 u = 3230 ÷ 190 = 17
Number of children who bought the tickets
= 3 u
= 3 x 17
= 51
Answer(s): (a)
320; (b) 51