Mariko has an 1:80 scale-drawing of the floor plan of her house. On the floor plan, the dimensions of her rectangular living room are
1 7/8 inches by 2 1/2 inches.

What is the area of her real living room in square inches? Show work to explain how you found your answer.


  1. Answer:1 inch is actually 80 inch so:
    1 7/8 x 80 is true length of side 1 and
    2 1/2 x 80 is true length of side 2 of room
    Step-by-step explanation:
    the area is side 1 x side 2 in sq inches
    then change square inches to square feet for your final answer


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