SOLUTION: Lewiston and Vernonville are 128 miles apart. A car leaves Lewiston traveling towards Vernonville, and another car leaves Vernonville at the same time, traveling towards Lewi
Algebra.Com
Question 1158413: Lewiston and Vernonville are 128 miles apart. A car leaves Lewiston traveling towards Vernonville, and another car leaves Vernonville at the same time, traveling towards Lewiston. The car leaving Lewiston 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 cars?
Found 3 solutions by Shin123, josgarithmetic, solver91311:
Answer by Shin123(626) (Show Source): You can put this solution on YOUR website!
The car leaving Vernonville averages x mph, and the other car averages (x+10) mph. After 1.6 hours, they meet. The car leaving Vernonville traveled 1.6x miles and the other car traveled 1.6x+16. The sum of these values are 128. . . . . . The car leaving Vernonville averages 35 mph, and the other car averages 45 mph.
Answer by josgarithmetic(39620) (Show Source): You can put this solution on YOUR website!
---------------the car from Vernonville
---------------------speed of car from Lewiston
Answer by solver91311(24713) (Show Source): You can put this solution on YOUR website!
Since the cars are traveling toward each other, their combined rate of speed is the sum of their rates of speed. Since the entire trip of 128 miles was completed in 1 hour and 36 minutes, which is to say 1.6 hours, the combined rate of speed must be:
Let 
represent the speed of the slower car, then 
must be the speed of the faster car, and the sum of these two quantities must be the combined speed, namely 
. In short:
Solve for and then calculate
John
My calculator said it, I believe it, that settles it
RELATED QUESTIONS
Lewiston and Vernonville are 128 miles apart. A car leaves Lewiston traveling towards... (answered by josmiceli)
Lewiston and Vernonville are 208 apart. A car leaves Lewiston traveling towards... (answered by JulietG)
Lewiston and Vernonville are 144 miles apart. A car leaves traveling towards... (answered by ikleyn)
Lewiston and Vernonvile are 112 miles apart. a car leaves lewiston traveling towards... (answered by ankor@dixie-net.com)
Salem and Vernonville are 128 miles apart. A car leaves Salem traveling towards... (answered by josmiceli)
Lewiston and Vermillionville are 192 miles apart. A car leaves Lewiston traveling... (answered by solver91311)
Bay city and Vernonville are 330 miles apart. A car leaves Bay City traveling towards... (answered by richwmiller)
Salem and Vernonville are 112 miles apart. A car leaves salem traveling towards... (answered by mananth)
Newport and Vernonville are 208 miles apart. A car leaves Newport traveling... (answered by ikleyn,josmiceli)