charlie has a $30 smoothie gift card. each time he uses the card to buy a smoothie 2 dollars is the duct tape from his card, if the balance on his car today is 12 dollars, how many smoothie has she purchase with the card?

Respuesta :

Answer:

The answer would be 9 smoothies.

Step-by-step explanation:

9 x 2 = 18

30 - 18 = $12