Question

A model of a building has a scale factor of 1 cm equals 30 inches. If a room is 13 feet long, what size will it be in the model?

Answer 1

13 ft + 12 in/ft = 156 inches
156 in * (1 cm / 30 in) = 15.6 / 3 cm
about 5.2 cm

Answer 2

x/(13*12) = 1/30