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Mathematics 19 Online
OpenStudy (anonymous):

I just need to know how to set up this problem Two runners leave from the same location traveling in opposite directions. The first runner is running at 7 mph and the second is running at 9 mph. How long have they been running when they are 24 miles apart? 1 hour 1.5 hours 2 hours 2.5 hours

OpenStudy (primeralph):

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