Tickets to a stadium were sold to senior citizens, adults and children at different prices as shown.
|
Price |
Senior citizen ticket |
$5 |
Child ticket |
$7 |
Adult ticket |
$12 |
19 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 $7700 was collected from the sale of the tickets. How many children bought the tickets?
(a)
Fraction of tickets bought by the children
= 1 -
19 -
15 = 1 -
545 -
945 =
3145 (b)
|
Senior Citizens |
Children |
Adults |
Number |
5 u |
31 u |
9 u |
Value |
5 |
7 |
12 |
Total value |
25 u |
217 u |
108 u |
Total amount collected
= 25 u + 217 u + 108 u
= 350 u
350 u = 7700
1 u = 7700 ÷ 350 = 22
Number of children who bought the tickets
= 31 u
= 31 x 22
= 682
Answer(s): (a)
3145; (b) 682