Mathematics, 20.12.2021 17:30, bcox32314

Running at a constant speed, Andy can run around a circular track once in 40 seconds. Bob, running in the opposite direction, slaps hands with Andy every time they run past each other. If they only slap hands every 15 seconds, how many seconds does it take Bob to run around the track once

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Running at a constant speed, Andy can run around a circular track once in 40 seconds. Bob, running i...