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Mathematics, 23.08.2019 00:40 ipolk92

Marita runs clockwise around a track in 40 seconds. jill leaves from the same point, but runs counter clockwise. she meets marita every 15 seconds. how long does it take jill to run around the track

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Marita runs clockwise around a track in 40 seconds. jill leaves from the same point, but runs counte...
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