Tickets to a tourist attraction were sold to senior citizens, adults and children at different prices as shown.
|
Price |
Senior citizen ticket |
$5 |
Child ticket |
$9 |
Adult ticket |
$12 |
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 $2170 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 |
5 |
9 |
12 |
Total value |
10 u |
27 u |
180 u |
Total amount collected
= 10 u + 27 u + 180 u
= 217 u
217 u = 2170
1 u = 2170 ÷ 217 = 10
Number of children who bought the tickets
= 3 u
= 3 x 10
= 30
Answer(s): (a)
320; (b) 30