Pauline travels between two cities. first she drives for 45 minutes at an average speed of 85 km/hr then for 16 minutes at an average speed of 118 km/hr, then she spends 19 minutes eating lunch and buying gas, and then she drives for 13 minutes at an average speed of 43 km/hr. find pauline's average speed for this trip. express it in kilometers per hour and round your answer to the nearest km/hr.
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