Question 23
Towns A and B are 36 km apart. Alan leaves A for B at the same time Betty leaves B for A. After they meet, Alan needs another 2 h 30 min to reach B, while Betty needs another 1 h 36 min to reach A. Find Betty’s speed in km/h.
Use the standard uniform-motion model: each person travels continuously at their own constant speed.
Use the standard uniform-motion model: each person travels continuously at their own constant speed.