Answer:
The Answer for 19 is x+y=38.
The Answer for 20 is 2x+5y=100.
Volume of Original Prism = base area * Height = 3 * 4 = 12
After dilation factor = 12 * 3/2 = 6 * 3 = 18
In short, Your Answer would be 18 m³
Hope this helps!
Draw a number line number it with negative number on the left and postive numbers at the right start at postive 6 now go to the left twice your answer should be 4