On an architect's plan for a house, the scale reads ½ in. = 5 ft.How long is the actual length of a room that's 2 in. long on the drawing?

A. 10 ft.

B. 15 ft.

C. 25 ft.

D. 20 ft.

The ratio is 1/2in to 5ft, or 1in to 10ft. That means for every 1 inch there will be 10ft. Since the room in the drawing is 2 inches long, the actual length of the room will be 20 feet long.

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