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Mathematics, 07.03.2021 18:20 daniel4349
ellen and kim are running around a track. they run equally fast, but ellen started later. when ellen has run 5 laps, kim has run 15 laps. when ellen has run 30 laps, how many has kim run?
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ellen and kim are running around a track. they run equally fast, but ellen started later. when ellen...
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