Question

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On an architect's drawing of the floor plan for a house, 1 inch represents 3 feet. If a room is represented on the floor plan by a rectangle that has sides of lengths 3.5 inches and 5 inches, what is the actual floor area of the room in square feet? *
0 points
17.5 square feet
51.0 square feet
52.5 square feet
157.5 square feet

Answer 1

157.5 square feet

Explanation:

3,5 inches in feet will be 10,5

5 inches in feet will be 15

area of rectangle is length *width

10,5*15

=157.5 square feet

Answer 2

157.5 square feet

Explanation:

If an inch is 3 feet, then

3.5 inches = 10.5 feet (3.5*3)

5 inches = 15 feet (5*3)

The area of a rectangle is length times width so...

10.5*15 = 157.5