math

two trains leave Austin one train going north at 80 mph and one going 60mph how long will it take the two trains to be 420 miles apart?

  1. 👍 0
  2. 👎 0
  3. 👁 124
asked by vickie
  1. 80 t - 60 t = 420 assuming both going north, which avoids customs at the border

    20 t = 420
    t = 21 hours

    1. 👍 0
    2. 👎 0
    posted by Damon

Respond to this Question

First Name

Your Response

Similar Questions

  1. trig

    two trains leave Kansas City at the same time. Train A is traveling due north at 55 mph, train B is traveling west at the rate of 65 mph. Find the distance between the two trains two hours later and the bearing of train B from

    asked by Anonymous on October 16, 2012
  2. math

    Two trains leave a station at 11:00am. One train travels north at a rate of 75 mph and another travels east at a rate of 60 mph. Assuming the trains do not stop, about how many minutes will it take for the trains to be 250 miles

    asked by Help Please! on December 10, 2015
  3. math

    2 trains leave the same train station at the same time, one train travels northeast at 50 mph, the other train travels due west at 40 mph, how far apart are the trains after two hours

    asked by Michael on March 20, 2011
  4. Math

    Two trains leave the same station at the same time, but are headed in opposite directions. One train travels at 70 mph and the other train travels at 80 mph. How much times passes until the trains are 600 mi apart?

    asked by NeedHelp on September 8, 2016
  5. Pre-Calculus-Trig

    Two trains depart simultaneously from the same station. The angle between the two tracks on which they leave is 120 degrees. One train travels at an average speed of 45 mph and the other at 70 mph. How far apart are the trains

    asked by Chloe Mack on January 30, 2011
  6. Algebra

    Two trans leave Chicago going opposite directions, one going north and the other going south. The northbound train is traveling 12 mph slower than the southbound train. After 4 hours the trains are 528 miles apart. Find the speed

    asked by Megan Brown on January 26, 2011
  7. math

    Supppose two trains leave Holbrook, Arizona, at the same time, traveling in opposite directions. One train travels 10 mph faster than the other. In 3.5 hours, the trains are 322 miles apart. Find the speed of each train.

    asked by justin on December 4, 2012
  8. Algebra 1

    Two bullet trains leave the station at the same time traveling in opposite direction. The northbound train goes 125 mph and the southbound train goes 120 mph. After how long will they be 735 miles apart?

    asked by Ale on December 5, 2013
  9. Maths

    Two trains, Aand B , leave a train station at the same time but in different directions, one towards east and the other towards west. Train B travels 20km/h faster than train A. After 6 minutes, the two trains are 11 km apart.

    asked by Jones on July 27, 2015
  10. math

    Two trains depart at the same time from the same station and travel in opposite directions. One train travels 25 mph faster than the other train. After 2 hours the trains are 162 miles apart. Find the speed of each train.

    asked by John on December 5, 2011

More Similar Questions