Kenneth measured a hotel and made a scale drawing. The scale he used was 1 inch = 4 feet. The actual length of a room in the hotel is 20 feet. How long is the room in the drawing? (It may be helpful to set up a proportion.

To find the length of the room in the drawing, we need to set up a proportion using the scale factor.

Let x be the length of the room in the drawing.

1 inch = 4 feet
x inches = 20 feet

x/1 = 20/4
x = 5

Therefore, the length of the room in the drawing is 5 inches.