A blueprint is a scale drawing of a building. The dimensions of the blueprint for Penny's doll house are 1/4 of the measurements of the actual doll house. The floor of the doll house has an area of 864 sq inches. if the width of the doll house is 2/3 the length, what are the dimensions of the floor on the blueprint of the doll house?

Answer 1

If the length is x, then the width is 2/3 x. So, the area is

2/3 x^2 = 864
x = 36

Now you know the doll house is 24x36 inches

Divide those by 4 to get the drawing's dimensions.

Answer 2

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Answer 3

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Answer 4

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Answer 5

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