Question

The scale of a model train is 1inch to 13.5 feet. One of the cars of the model train is 5 inches long. What is the length, in feet, of the actual train car?

Answer 1

one pound

Answer 2

it has to be

Answer 3

\[\frac{1}{13.5}=\frac{5}{x} \]or
the product of the measurement, 5, and the scale factor, 13.5 feet in this case.