12 0 / 4 points You are constructing a box with with an open top. The length is 3 times the width and you want to minimize the surface area. You need the volume to be 147cm. Find the dimensions that will give you the minimum surface area and of those 3 dimensions, submit the smallest dimension of the box (if you got L=5, W=12, and H=2, you would enter 2). Round to 2 decimals. (no answer)