A rectangular prism measures 2 & 2/5 inches by 3 & 1/5 inches by 2 inches. How many cubes with edge length 1/5 inch fit in the prism? Show your reasoning
Cubes with the edge length of 2/5 have a volume of 0.064 while 1/5 edge length had a volume of 0.008 it will take 8 times more cubes to fill it with the 1/5 edge length squares than the 2/5 edge length squares.