Answer:
1 2/3 inches.
Step-by-step explanation:
Volume = area of the base * height so:
20 = 3*4 * h
h = 20/12
h = 1 2/3 inches.
Answer: 120
20 divided by 20 is 1.
We have to multiply this by 120.
120 x 1 = 120. It is the answer.