The table shows the prices of tickets for a dance performance for an adult ticket and a child ticket.
15 of the tickets sold were for adults. The total amount of money collected from sale of the child tickets was $1920 more than the total amount collected from the sale of adult tickets.
- How many child tickets were sold?
- How much money was collected from the sale of all the tickets?
|
Price |
Adult |
$20 |
Child |
$11 |
|
Adults |
Children |
More |
Total |
Number |
1 u |
4 u |
|
|
Value |
20 |
11 |
|
|
Total value |
20 u |
44 u |
24 u |
64 u |
Fraction of tickets sold to children
= 1 -
15=
45Amount collected more from the sale of the child tickets than the sale of adult tickets
= 44 u - 20 u
= 24 u
24 u = 1920
1 u = 1920 ÷ 24 = 80
Number of child tickets sold
= 4 u
= 4 x 80
= 320
(b)
Total amount collected from the sale of all the tickets
= 20 u + 44 u
= 64 u
= 64 x 80
= $5120
Answer(s): (a) 320; (b) $5120