Question 434907
Let s = the speed of the 1st taxi
Then the speed of the 2nd taxi = s + 5
Since they are traveling in opposite directions their relative speed is 2s + 5
In 4 hrs they are 500 miles apart
So 2s + 5 = 500/4
2s + 5 = 125
s = 60 mph
So the speed of the 2nd taxi is 60 + 5 = 65 mph