12. The map of the east side of Dubuque, Iowa, shows a driving path from a casino on the river to a golf course on the other side. According to the maps app, driving distance is 3.3 miles. There is a scale ratio on the given map indicating that 1 inch on the map corresponds to 2,300 feet in real life. Write a direct variation equation that relates distance on the map, m, to distance in real life, R.