A jungle and wildlife preserve extends 80 miles north and 120 miles east of the ranger station. The ranger leaves from a point 1
00 miles east of the station along the southern boundary to survey the area. He travels in a straight diagonal line, 0.6 miles north and 8.5 miles west every minute. A lion leaves the west edge of the
preserve 51 miles north of the station at the same time the ranger leaves from the southern border, also in a
straight diagonal line. Every minute the lion moves 0.1 miles north and 0.3 miles east.
, one can compute the cartesian form like this:
