# SOLUTION: Ok, so town A and town B are 100 miles apart. Car A is leaving from town A and traveling 60mph, and car B is leaving from town B and traveling 50mph. How long before they collide

Algebra ->  Algebra  -> Customizable Word Problem Solvers  -> Travel -> SOLUTION: Ok, so town A and town B are 100 miles apart. Car A is leaving from town A and traveling 60mph, and car B is leaving from town B and traveling 50mph. How long before they collide      Log On

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 Click here to see ALL problems on Travel Word Problems Question 110384: Ok, so town A and town B are 100 miles apart. Car A is leaving from town A and traveling 60mph, and car B is leaving from town B and traveling 50mph. How long before they collide? I know it has something to do with the D=r*t formula...I'm just not sure how to figure this one out. Thanks!Answer by josmiceli(9669)   (Show Source): You can put this solution on YOUR website!They leave at the same time and collide at the same time, so If I write and , then t is the same for both, and I can write and , , so And I know , so I can say Now I have hrs hrs x min/hr = min min x sec/min = 32.7272 sec So, the cars will collide in 54 min 33 sec approximately