Answer:
The new height is 4 inches
Step-by-step explanation:
We need to divide the height and width by the same value.
The width is reduced by 5
5 inches to 1 inch is found by dividing by 5
5/5 = 1
We need to do the same to the height
20 inches / 5 = 4 inches
The new height is 4 inches
