Tickets to a zoo were sold to senior citizens, adults and children at different prices as shown.
|
Price |
Senior citizen ticket |
$4 |
Child ticket |
$6 |
Adult ticket |
$13 |
110 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 $1440 was collected from the sale of the tickets. How many children bought the tickets?
(a)
Fraction of tickets bought by the children
= 1 -
110 -
15 = 1 -
110 -
210 =
710 (b)
|
Senior Citizens |
Children |
Adults |
Number |
1 u |
7 u |
2 u |
Value |
4 |
6 |
13 |
Total value |
4 u |
42 u |
26 u |
Total amount collected
= 4 u + 42 u + 26 u
= 72 u
72 u = 1440
1 u = 1440 ÷ 72 = 20
Number of children who bought the tickets
= 7 u
= 7 x 20
= 140
Answer(s): (a)
710; (b) 140