Answer: actual length = 1 foot
Step-by-step explanation: Given that The scale is 1in.= ft.
In the new scale drawing a length of 4 inches represent an actual length of ft. Let the new length in feet be L
1/4 = 1/L
L = 4ft
So a length of 1 inch represents an actual length of feet. Let the actual length be y
4/y = 4/ 1
The actual length = 1 ft