Mathematics, 19.07.2019 02:00 lpssprinklezlps

Kristen can run at 15 km/h and walk at 5 km/h. she complete for a 42 km marathon in 4 hours. what distance did kristen run during the marathon?

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Kristen can run at 15 km/h and walk at 5 km/h. she complete for a 42 km marathon in 4 hours. what di...