Mathematics, 02.10.2019 13:20 zay65307

Heather left the hospital and drove toward the desert at an average speed of 35 km/h. danielle left sometime later driving in the opposite direction with an average speed of 50 km/h. after heather had driven for four hours they were 290 km apart. how long did danielle

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Heather left the hospital and drove toward the desert at an average speed of 35 km/h. danielle left...