Question 3 (7 points) A cable TV company is laying cable in an area with underground utilities. Two subdivisions are located on opposite sides of a creek, which is 100m wide. The company has to connect points P and Q with cable, where Q is on the north bank 1200m east of P. If it costs $40/m to lay cable underground and $80/m to lay cable underwater, what is the least expensive way to lay the cable? [Blank 1] Distance underground to 1 decimal place. [Blank 2] Distance underwater to 1 decimal place. 1200m 100m creek P underground