Mark has 12 candy bars in total between Mars bars, Snickers, and Butterfingers. He has 3 Snickers and 2 Mars bars. How many Butterfingers does he have?
A step-by-step solution is:
7
Not counting Butterfingers Mark has 3 + 2 = 5 candy bars.

So Mark has 12 - 5 = 7 Butterfingers.

.

Therefore, the answer is 7