What are the average speeds of the car from Arlington and the car from Vernonvil

Lewiston and Vernonville are 112 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 mph more than the other, and they meet after 1 hour and 36 minutes. What are the average speeds of both cars?