Tickets to a bird park were sold to senior citizens, adults and children at different prices as shown.
|
Price |
Senior citizen ticket |
$4 |
Child ticket |
$7 |
Adult ticket |
$12 |
110 of the tickets sold were bought by senior citizens and
35 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 $3880 was collected from the sale of the tickets. How many children bought the tickets?
(a)
Fraction of tickets bought by the children
= 1 -
110 -
35 = 1 -
110 -
610 =
310 (b)
|
Senior Citizens |
Children |
Adults |
Number |
1 u |
3 u |
6 u |
Value |
4 |
7 |
12 |
Total value |
4 u |
21 u |
72 u |
Total amount collected
= 4 u + 21 u + 72 u
= 97 u
97 u = 3880
1 u = 3880 ÷ 97 = 40
Number of children who bought the tickets
= 3 u
= 3 x 40
= 120
Answer(s): (a)
310; (b) 120