A map scale is 1 in=15 miles. The distance between Roanoke and Greensboro is 7 inches. Which proportion will find the actual miles from Roanoke to Greensboro?

Given data:
The given scale is 1 in=15 mile.
The expression for 7 inches is,
7 in=x miles.
The ratio of both the equations is,
[tex]\frac{1}{7}=\frac{15}{x}[/tex]Thus, the last option is correct.