Two jet planes simultaneously started travelling in opposite directions from the same airport. four hours later they were 3800 miles apart. if one plane traveled 80 miles per hour faster than the other, what was the speed of each plane? a tourist starts to walk up a mountain path that is 31 miles long at the rate of 4 miles per hour. after walking for a while, he gets tired and decides to get a taxi. the taxi gets him to the top travelling at a constant speed of 50 mph. if the tourist reaches the destination 2 hours after he started, what distance does he have to pay the cab driver for?