48/2(9+3)

In middle school, they teach you to work the ()'s before you move to the rest. In doing that, you add the 9 to 3 then you multiply it to the two, therefore removing the ()'s and leaving you with just 48/2.

Since the challenge was "Let's see if you passed middle school" and not "Let's see how far in math you have gotten", 2 is the correct answer.

:/

From a first glance, you automaticaly assume it's 288, but once you actualy look at it again it's really easy to get 2.

48
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2*(9 + 3 ) = 48 / (18 + 6) = 48 / 24 = 2/1