Respuesta :

Answer:

number of cubes need : (20/3) / (1/27) = 180 cubes

Step-by-step explanation:

volume of cube = (1/3)^3 = 1/27

volume of  prism = 5/3 * 4/3 * 2 = 20/3

number of cubes need : (20/3) / (1/27) = 180 cubes