The formula for finding the volume of a cube is

, where s is the side length.
The formula for a cube with each side length doubled is

, or 8<span>s.
</span><span>If all the dimensions of a cube are doubled, then the new volume is
eight times greater.</span>
You have to turn the number or ratio and simplified the number and put it in to the chart like the norm number
.
I think you divide 18.96 by 3 to get the amount for one pound cost then go pound for pound there