Two hikers start from the same point and hike in opposite directions around a lake whose shoreline is 13 mi long. One hiker walks 0.5 mph faster than the other

Question

I need help with this question in my math class about word problem. This is my last question and i need to do well on it, thanks. 

Answer 1

Like Carol said there is no question and we need one more variable like the amount of time it takes for them to meet up.I assume the question is how fast are the hikers hiking.