a scale drawing for a new city library shows a rectangular children's reading room with a length of 5 1/4 inches and a width of 3 1/2 inches. The scale on the is 1 inch:4feet . What will be the actual length and with of the room when the library is built.

Can someone explain how to do this.

3 answers

5.25 * 4 = 21 feet

3.5 * 4 = 14 feet
Thank You
You're welcome.