# math

A model of a rectangular patio at a landscaping business will be enlarged by a scale factor of 2 when it is installed in a customer’s back yard. The area of the new enlarged patio will be 160 square feet. Which is the area of the landscaper’s model?
10 square feet
20 square feet
40 square feet
80 square feet

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1. the area scales by the square of the linear factor. So, 160 is 4 times the model's area.

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posted by Steve

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