A car traveled from A to B in 30 minutes.The first half of the trip was covered at 50 mph,and the second half at 60 mph.What was the average speed?

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• A car traveled frow Ato B in 30 minutes.The first half of the trip was covered at 50 mph cold theA car traveled form A to B in 30minutes .The first half of the trip was covered at 50 mph,cold the second half at 60 mph .What was the averagespeed?
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• A car traveled frow Ato B in 30 minutes.The first half of the trip was covered at 50 mph cold the
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