Respuesta :
It’s 18.
45 hamburgers
Every 5 sold = 2 cheeseburgers
5 x 9 = 45
2 x 9 = 18
Hope this helps.
45 hamburgers
Every 5 sold = 2 cheeseburgers
5 x 9 = 45
2 x 9 = 18
Hope this helps.