Respuesta :
Answer:
both cost 3 dollars
Step-by-step explanation:
x=adult ticket
y=child ticket
12x+7y=57
7x+14y=63
24x+14y=114
-7x-14y=-63
17x=51
x=3
7(3)+14y=63
21+14y=63
14y=42
y=3
Answer:
both cost 3 dollars
Step-by-step explanation:
x=adult ticket
y=child ticket
12x+7y=57
7x+14y=63
24x+14y=114
-7x-14y=-63
17x=51
x=3
7(3)+14y=63
21+14y=63
14y=42
y=3