It depends on what type of prism you're using (e.g. triangular prism).
Two are needed at each end of the prism
6 sides are needed
15 straws are needed
15
seven
6
24
9
Parent Material
the raw material is raw meat from a cow.
Density is the amount of material which will make up something. Density can be varied accordingly to make items of the same material, but for different uses.
Answer is 136