Charlie has a $30 smoothie gift card. Each time he uses the card to buy a smoothie, $2 is deducted from his card. If the balance on his card today is $12, how many smoothies has be purchased with the card?

9 smoothies were purchased prior

Step-by-step explanation:

Subtract 2 from 30 constantly til' you get to 12, count up how many times you've taken away or subtract 30 by 12, get 18 and divide it by 2 and get 9

10/60

step-by-step explanation:

if you divide 10 by 60 the answer is 0.166666 while if you divide or solve the other problems it equals 0.6

144.50

step-by-step explanation:

21.5 x 13.4=288.10 divide by 2