Problema Solution
Arlington and Vernonville are 168 miles apart. A car
leaves Arlington traveling towards Vernonville,
and another car leaves Vernonville at the same time,
traveling towards Arlington. The car leaving Arlington
averages 10 miles per hour more than the other,
and theymeet after 1 hour 36 minutes. What are the
average speeds of the cars?
Answer provided by our tutors
The car leaving Arlington average: x+10
The car leaving Vernonville average: x
So the equation is
(x+10)*1.6 + x*1.6 = 168
So
x =47.5
So
The car leaving Arlington average: 57.5 mph
The car leaving Vernonville average: 47.5 mph