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A billboard is 2.5 times as long as it is wide. The area of the actual billboard is 2,250 square feet. A scale drawing is made of the billboard and the area of the scale is 160 square inches. What is the scale used in the scale drawing?

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2 answers
  1. the area grows as the square of the linear scale. So the scale is

    √(160in^2/2250ft^2)
    = √(160/32400 in^2)
    = √(1/2025)
    = 1:45

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  2. This is a completely incorrect answer to this problem.

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