Solve
-Suppose That an Open Box Is to Be Made $5 \sqrt { 3 }$

Multiple Choice

Solve.
-Suppose that an open box is to be made from a square sheet of cardboard by cutting out 3-inch squares from each corner as shown and then folding along the dotted lines. If the box is to have a volume of 75 cubic inches,
Find the original dimensions of the sheet of cardboard.

A) $5 \sqrt { 3 }$ in. by $5 \sqrt { 3 }$ in.
B) $11 \mathrm { in. }$ by $11 \mathrm { in. }$
C) 5 in. by 5 in.
D) $\sqrt { 5 }$ in. by $\sqrt { 15 }$ in.