Mr Loo paid a total of $119 for three adult and four child tickets. If a child ticket was
23 of the price of an adult ticket, what was the price of an adult ticket?
|
Child ticket |
Adult ticket |
Total |
Number |
4 |
3 |
|
Value |
2 u |
3 u |
|
Total value |
8 u |
9 u |
17 u |
Price of 1 child ticket = 2 u
Price of 4 child tickets = 4 x 2 u = 8 u
Price of 1 adult ticket = 3 u
Price of 3 adult tickets = 3 x 3 u = 9 u
Total cost of the tickets
= 8 u + 9 u
= 17 u
17 u = 119
1 u = 119 ÷ 17 = 7
Price of an adult ticket
= 3 u
= 3 x 7
= $21
Answer(s): $21