SOLUTION: Two bikers leave 3 hours apart. The first is traveling at 6 mph and the second at 10 mph. How long until the second biker catches up with the first biker?
Algebra.Com
Question 397606:  Two bikers leave 3 hours apart. The first is traveling at 6 mph and the second at 10 mph. How long until the second biker catches up with the first biker? 
Answer by robertb(5830)   (Show Source): You can put this solution on YOUR website!
 Let x = # hours before the 2nd biker catches up
==> x + 3 = # hours of travel of 1st biker when 2nd biker catches up
Then 6(x+3) = 10x
==> 6x + 18 = 10x
==> 18 = 4x
==> x = 4.5 hours. 
RELATED QUESTIONS
Two runners leave from the same location traveling in opposite directions. The first... (answered by ewatrrr)
Two runners leave from the same location traveling in opposite directions. The first... (answered by mananth)
two cyclist start biking from a trail's start 3 hours apart. the second cylist travels at  (answered by adamchapman)
Two cyclists start biking from a trail's start 3 hours apart. The second cyclist travels... (answered by checkley77)
Two runners leave from the same location traveling in opposite directions. The first... (answered by ewatrrr)
two cars leave the same point traveling in opposite direction. the second car travels 10... (answered by fractalier)
two cars leave the same point traveling in opposite direction. the second car travels 10... (answered by fractalier)
two cars leave the same point traveling in opposite direction. the second car travels 10... (answered by fractalier)
Two train leave Sacramento at the same time , one traveling north and the other headed... (answered by Alan3354)