Respuesta :

wegnerkolmp2741o

Answer:

60 dollars

Step-by-step explanation:

We can use ratios to solve

$45            x

-----------= ----------------

9 tickets    12 tickets

Using cross products

$45 *12 = 9x

540 = 9x

Divide each side by 9

540/9 = 9x/9

60 =x

9 tickets cost 60 dollars