Question

using the paths shown, how far is it from rockport to dayton? rockport 12.2 km springdale 12 km dayton

Explanation:

Step1: Identify the path - segments

The path from Rockport to Dayton goes through Springdale with distances 12.2 km from Rockport to Springdale and 12 km from Springdale to Dayton.

Step2: Sum the distances

We add the two distances together. The total distance $d$ is $d = 12.2+12$.
$d=24.2$

Answer:

24.2