SOLUTION: Newport and Vernonville are 112 miles apart. A car leaves Newport traveling towards Vernonville, and another car leaves Vernonville at the same time, traveling towards Newport. The

Algebra ->  Linear-equations -> SOLUTION: Newport and Vernonville are 112 miles apart. A car leaves Newport traveling towards Vernonville, and another car leaves Vernonville at the same time, traveling towards Newport. The      Log On


   

Question 1013402: Newport and Vernonville are 112 miles apart. A car leaves Newport traveling towards Vernonville, and another car leaves Vernonville at the same time, traveling towards Newport. The car leaving Newport averages 10 miles per hour more than the other, and they meet after 1 hour and 36 minutes. What are the average speeds of the car?
The car leaving Newport averages ___ mph
The car leaving Vernonville averages ___ mph
Answer by josgarithmetic(39616) About Me  (Show Source):
You can put this solution on YOUR website!
Their speeds are r and r+10, so they approach each other at r%2Br%2B10=2r%2B10 miles per hour.

36 minutes is 3%2F5 hour so the given time is 1%263%2F5 hours.

%282r%2B10%29%2A%281%263%2F5%29=112