SOLUTION: Ron and Doug leave the same spot at the same time going in opposite directions. Ron travels at 40mph while doug travels at 60mph. In how many hours will they be 350 miles apart?

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Question 370034: Ron and Doug leave the same spot at the same time going in opposite directions. Ron travels at 40mph while doug travels at 60mph. In how many hours will they be 350 miles apart?
Answer by mananth(16946) About Me  (Show Source):
You can put this solution on YOUR website!
Ron 40 mph
Doug 60 mph
..
they are moving away from each other
their combined speed = 100 mph
..
distance = 350 miles
..
t = d/r
..
t = 350/100
t=3.5 hours
...
m.ananth@hotmail.ca