Answer:
d = 11 miles
Step-by-step explanation:
The triangles are similar and so the ratios of corresponding sides are equal, that is
[tex]\frac{d}{14}[/tex] = [tex]\frac{10.3}{13.1}[/tex] ( cross- multiply )
13.1d = 144.2 ( divide both sides by 13.1 )
d = 11 ( nearest whole mile )