I know it is an easy problem, but I want to know if I have the answer correct. I'm confused whether the answer is already in inches, or is still in feet. The story problem is: The larget submarines in the United States Navy are of the Ohio class. Each submarine is 560 feet long. You purcahse a scale model of one of the submarines. The package states the scale of 1 inch: 16 feet. What is the length of the completed model? So to solve, I put: x/560ft = 1/16ft x=35 OR is x = 420 inches? Is 35 already in inches, or is it still feet and needs to be converted (which results in 420 inches).