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Find the scale factor if an airplane is 87 feet long; 2 inches = 15 feet.
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Scale factor: If 2 inches = 15 feet, then 1 inch = 7.5 feet 7.5 times 12 (inches per foot) = 90 inches One inch = 90 inches 1:90
An architect’s blueprint for a new house shows the kitchen being 7 inches wide. If the scale used to create the blueprint is 0.5 in. = 1 ft, what is the actual width of the kitchen?
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