In a game there were sold 432 tickets, they earned 18240,- the price is 50,- for adult and 20,- for children. how can i solve this using only 1 variable
In a game there were sold 432 tickets, they earned 18240,- the price is 50,- for adult and 20,- for children. how can i solve this using only 1 variable.
Set the number of adult tickets=a, then:
The number of children's tickets=432 - a
50a + 20[432 - a]=18,240
50a + 8640 - 20a=18,240
30a=9600 divide both sides by 30
a=9,600/30
a=320 adult tickets
432 - 320 =112 children's tickets.
