A car traveled at a rate of 50 km/hr for 8 minutes and then at 25 km/hr for 7 min and finally at 20 km/hr for 2 min. What is APPROXIMATELY the average speed for the complete trip * ?of the car in (m/sec)

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A car traveled at a rate of 50 km/hr for 8 minutes
and then at 25 km/hr for 7 min and finally at 20
km/hr for 2 min. What is APPROXIMATELY the
average speed for the complete trip
* ?of the car in (m/sec)
Transcribed Image Text:A car traveled at a rate of 50 km/hr for 8 minutes and then at 25 km/hr for 7 min and finally at 20 km/hr for 2 min. What is APPROXIMATELY the average speed for the complete trip * ?of the car in (m/sec)
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