Mr Seow paid a total of $189 for seven adult and three 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 |
3 |
7 |
|
Value |
2 u |
3 u |
|
Total value |
6 u |
21 u |
27 u |
Price of 1 child ticket = 2 u
Price of 3 child tickets = 3 x 2 u = 6 u
Price of 1 adult ticket = 3 u
Price of 7 adult tickets = 7 x 3 u = 21 u
Total cost of the tickets
= 6 u + 21 u
= 27 u
27 u = 189
1 u = 189 ÷ 27 = 7
Price of a child ticket
= 2 u
= 2 x 7
= $14
Answer(s): $14