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A survey of traffic travelling through the university indicates that 312 cars travel past a set point every 8 hours. Express this as a unit rate
 Nov 7, 2013
 #1
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39 cars per hour
 Nov 7, 2013
 #2
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39 cars per hour
 Nov 7, 2013
 #3
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39 cars per hour
 Nov 8, 2013

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