Mathematics, 12.07.2019 02:30 camosloppy3150

Let a be the sum of the last four digits and let b be the last digit of your 8-digit student id. (example: for 20245347, a = 19 and b = 7) on a road trip, a driver achieved an average speed of (48.0+a) km/h for the first 54.0 km and an average speed of (43.0-b) km/h for the remaining 86.0 km. what was her average speed (in km/h) for the entire trip? round your final answer to three significant figures

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Let a be the sum of the last four digits and let b be the last digit of your 8-digit student id. (ex...