SOLUTION: Two children cross a startign line at the same time, one running with a velocity of +3.5 m/s and the other with a velocity of 4.0 m/s. How far apart are they after 12 seconds?

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Question 657324: Two children cross a startign line at the same time, one running with a velocity of +3.5 m/s and the other with a velocity of 4.0 m/s. How far apart are they after 12 seconds?
Answer by josmiceli(19441) About Me  (Show Source):
You can put this solution on YOUR website!
First one's distance:
+d%5B1%5D+=+3.5%2A12+
+d%5B1%5D+=+42+ m
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2nd one's distance:
+d%5B2%5D+=+4%2A12+
+d%5B2%5D+=+48+ m
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+d%5B2%5D+-+d%5B1%5D+=+48+-+42+
+48+-+42+=+6+
They are 6 m apart after 12 sec