



 
Matthew, The key is to recall that rate = distance/time. Let d be the distance from the top to the bottom in miles, t1 be the time in hours to climb up the mountain and t2 be the time in hours to go down the mountain. Thus on the way up
and on the way down
Thus d = 2 × t1 = 4 × t2. But you also know t1 + t2 = 3 hours. Can you solve the problem now? Penny  


Math Central is supported by the University of Regina and The Pacific Institute for the Mathematical Sciences. 