The Purplemath Forums

since they are leaving each other perpendicularly, you need to use a right triangle. The lapse of time is equal so, t is the same for both directions. a=24t for one leg of your triangle and b=32t for the other. c=d is the hyponenuse. Replace a 2 +b 2 =c 2 (pathagoreum theorem) with the given info ab...