Answer
30 miles
Work Step by Step
First lets put this scenario into a proportion. Our proportion will be:
$\frac{map-distance}{actual-distance}$
$\frac{1/8}{1.5mi}$=$\frac{2.5}{x}$
Now lets cross multiply:
(1/8)x=3.75 (Divide both sides by (1/8))
x=30
So the actual distance is 30 miles.
