SOLUTION: Two trains start from the same station at 10am one traveling east at 60mph one travelling west 70mph at what time will they be 455 miles aprt

Question 628025: Two trains start from the same station at 10am one traveling east at 60mph one travelling west 70mph at what time will they be 455 miles aprt
Found 2 solutions by richwmiller, josmiceli:
Answer by richwmiller(17219) (Show Source): You can put this solution on YOUR website!
60x+70x=455
130x=455
x=3.5 hours
10+3.5= 13.5
1:30 pm
Answer by josmiceli(19441) (Show Source): You can put this solution on YOUR website!
Think of one train as standing still and the other one
traveling away from it at the sum of their speeds
until they are 455 miles apart.

3.5 hours after 10 AM is 1:30 PM
RELATED QUESTIONS
T 10:15 P.M., a train left Petersburg, Virginia, travelling east at 40 mi/h. Two hours... (answered by mananth)
two trains leave the station, one traveling east at 40mph the other west at 30mph. how... (answered by stanbon,lwsshak3)
Train T leaves the station at 10am. Twenty minutes later, Train G leaves the same... (answered by josgarithmetic,ikleyn)
a train leaves a station at 1pm travelling at 40mph. Another train leaves the same... (answered by ankor@dixie-net.com)
Trains a and b are traveling in the same direction on parallel tracks. Train a is... (answered by checkley79)
Two trains leave a train station at the same time. One travels east at 11 miles per hour. (answered by rfer)
Two trains leave a station at the same time. One travels east at 50 miles per hour and... (answered by ewatrrr)
Two trains leave a train station at the same time. One travels east at 7 miles per hour.... (answered by solver91311)
Two trains leave a train station at the same time. One travels east at 9 miles per hour.... (answered by richwmiller,josmiceli)