Agroup of campers uses a map of a state park to plan their trip to and from the campsite. the map looks like a grid in which each unit represents one kilometer. their starting point is located at (4,5) and their campsite is located at (2,8). on the way to the site, the campers will travel due west and then due north. the campers will travel in a straight line back to their starting point on the way back. about how many kilometers will the campers hike all together?