Question

You are making a scale drawing out of your classroom using the scale 1 inch: 3 feet. The floor of your classroom is a rectangle with a length of 21 feet and a width of 18 feet. What should the length and width of the floor in your drawing be?

Answer 1

1 inch represents 3 feet

21 feet : 3 feet = 7 inches
18 feet : 3 feet = 6 inches

The dimensions of the floor in drawing are 7 inches × 6 inches