Question

the scale of a floor plan is 1 inch : 6 feet. if a hallway is 12 feet long in reality, how long is it on the floor plan? ? inches

Explanation:

Step1: Set up proportion

Let $x$ be the length on the floor - plan. The proportion is $\frac{1\text{ inch}}{6\text{ feet}}=\frac{x\text{ inches}}{12\text{ feet}}$.

Step2: Cross - multiply

$6x = 1\times12$.

Step3: Solve for $x$

$x=\frac{12}{6}=2$.

Answer:

2