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Growing Homes

Square footage of an average home in the United States:

1950: 930 ft2

2010: 2349 ft2...cost $116/sq ft

Question 1: Do you think these two data points represent a linear situation? If it was linear, what would you expect to be the size of a home in 1920? 2030?

Question 2: Do you think these two data points represent an exponential situation? If it was linear, what would you expect to be the size of a home in 1920? 2030?

Source: L. Kaahaaina's "Downsized Dwellings," The Planet, Fall 2010, p. 31