The garage you work for as an auto mechanic measures 230 ft. by 150 ft and handles 69 cars. using the existing garage as a model, how much space would you plan to have in your garage? number of cars parked at any one time = 24.

If there is some reason to believe the area is proportional to the number of parked cars, it might be
.. (24/69)*(230 ft)*(150 ft) = 12,000 ft^2

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It could be 80 ft by 150 ft, for example.