SOLUTION: A train leaves a city heading west and travels at 50 mph. Three hours later, a second train leaves from the same place and travels in the same direction at 65 miles per hour. How

Algebra ->  Expressions-with-variables -> SOLUTION: A train leaves a city heading west and travels at 50 mph. Three hours later, a second train leaves from the same place and travels in the same direction at 65 miles per hour. How      Log On


   



Question 369862: A train leaves a city heading west and travels at 50 mph. Three hours later, a second train leaves from the same place and travels in the same direction at 65 miles per hour. How long will it take for the second train to overtake the first train?
Answer by Fombitz(32388) About Me  (Show Source):
You can put this solution on YOUR website!
Rate*Time=DIstance
.
.
.
In the 3 hours, Train 1 has traveled,
D=50%2A3=150miles
Train 1's distance is,
D%5B1%5D=150%2B50%2At
Train 2's distance is,
D%5B2%5D=65%2At
Find t when D%5B1%5D=D%5B2%5D
D%5B1%5D=D%5B2%5D
150%2B50t=65t
15t=150
highlight%28t=10%29hours.