word problem-Please help me to check my procedure 1. The problem statement, all variables and given/known data A cubical ice block is melting at a rate that relates to its surface area. Set up an equation for the volume of a cube, C, in terms of its surface area, S. 2. Relevant equations C=x^3 S=6x^2 3. The attempt at a solution let length of the side of the cube:x dC/dx=3x^2 dS/dx=12x dC/dS=x/4 Now what should I do? I think I did pretty well untill now. How should I use this information for getting the answer? Or dC/dS(which is x/4) is the final answer?