How to solve 42-13 1/6

How do you do this geometry problem

Awall map has a scale of 128 miles = 6 inches. the distance between springfield and lakeview is 2 feet on the map. what is the actual distance between springfield and lakeview? 384 miles 512 miles 1.13 miles 42.7 miles

The graph represents the gallons of water in a water tank with respect to the number of hours since it was completely filled