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Mathematics, 02.12.2019 19:31 CuteAlisha

Maria and kim left town at 9: 00 am and traveled the same route in separate cars. kim drove 3 h at a steady speed, then slowed down 15km/h for 3 more hours. maria averaged 5 km/h more than kim's original speed for the entire trip and arrived at their destination at 2 pm. what was kim's original speed?

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