A platypus rows a boat 36 miles upstream for 45 minutes. Then, the platypus rows back downstream the same distance for 15 minutes. Find the rate of the rate of the boat in still water in mi/min.

In the diagram, be and ad pass throughthe center of circle o, and the area ofsector aoc is 47.45 square units. what isthe area of sector boc? use the value =3.14, and round your answer to two decimalplaces.22.33 square units25.12 square units