Answer:
Volume= 240cm
Step-by-step explanation:
8 times 3 times 2= 48
12 times 3 times 2 =72
20 times 2 times 3=120
48+72+120= 240
240cm3
the top box is 8x3x2=48
the middle box 12x3x2=72
bottom 20x2x3=120
add all=240cm3
