Say You Own a Mexican Place That Produces, Among Other

Say you own a Mexican place that produces, among other things, Mexican burritos. Your production of burritos is given by the equation Q = 6KL2, where Q is the amount of burritos, K is the amount of capital and L is the amount of labor. How many workers would you need to use in order to minimize the cost of producing 100 burritos when the capital is, K, is 20?

A) 1
B) 2
C) 4
D) 0