Math

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Mariko has an 80 inches = 1 inch scale- drawing of the floor of her house. On the floor plan, the dimension 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 feet?

• Math -

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

the area is side 1 x side 2 in sq inches

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