Answer:
125
Step-by-step explanation:
Say prism A is a cube, and all the sides are x, then the volume of prism A is [tex]x^3[/tex].
If you multiply each side by 5 (prism B), then each side is 5x, so the volume of prism B is [tex]125x^3[/tex], which is 125 times more than [tex]x^3[/tex].