On the map: The distance between the pond and the woods is 1.4 inches. The distance between the woods and the playscape is 3.1 inches.
On the map scale, 1 in. represents 40 yd.
Enter the scale. = 1 in. : 40 yd presentation
Enter the actual distance, p, from the pond to the woods. unknown
yards p = 1in/40yd = 1.4in/?yd
Enter the actual distance, w, from the woods to the playscape. unknown
yards w = 1in/40yd=3.1in/?yd?