SOLUTION: Two automobiles travel in opposite directions from the same starting point. If the speed of one is twice the speed of the other and they are 240.0 km apart at the end of 2.0 h, wha

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Question 458601: Two automobiles travel in opposite directions from the same starting point. If the speed of one is twice the speed of the other and they are 240.0 km apart at the end of 2.0 h, what is the speed of the slower car (in m/s)?
Answer by jorel1380(3719) About Me  (Show Source):
You can put this solution on YOUR website!
2(n+2n)=240
6n=240
n=40
2n=80
The slower car goes 40 km/hour.