A cylindrical drinking glass is 6 inches tall and has a base diameter of 2.5 inches. If 1 cubic inch of water is equal to 0.55 fluid ounces of water, how much water can the glass hold? Round the answer to the nearest hundredth of fluid ounce.

Atourist boat is used for sightseeing in a nearby river. the boat travels 2.4 miles downstream and in the same amount of time, it travels 1.8 miles upstream. if the boat travels at an average speed of 21 miles per hour in the still water, find the current of the river.