Suppose A, B, and C need to go to a location that is 88 km away. A rides a motorbike that goes 24 km/hr and all three people walk at a speed of 3 km/hr. In the beginning, A takes B in his motorbike while C walks by himself. After A drops B off somewhere before the final destination and let B walks to the destination and A turns around and rides the motorbike back toward C. When A meets C, A takes C and turns around going toward their final destination on his motorbike. If all three arrive the final destination at the same time, how far should A take B in the beginning before he drops B off