Question

The ratio of a model car to the size of an actual car is 1:40. If the model is 4.5 inches long. What is the length of the full size in inches and feet?

Answer 1

(4.5 in)/(full size) = 1/40
full size = (4.5 in)×40 = 180 in = 15 ft

The full size of the car is 15 ft 0 in.