Betsy participates in a scavenger hunt that requires her to retrieve items from 4 locations. the locations are on a map with the coordinates as given: location 1 is at (−4, −1) . location 2 is at (−4, 4) . location 3 is at (3, 4) . location 4 is at (3, −1) . the paths from one location to another are straight lines. one unit on the coordinate grid equals 10 yd. betsy starts at location 1 and goes to location 2, then location 3, and then location 4, and then returns back to location 1. what is the total distance betsy has traveled?