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The three Sprinters (Posted on 2019-09-25) Difficulty: 3 of 5
Three sprinters A, B, and C had to sprint from points P to Q, which are 55 meters apart, and back again (starting in that order). The time interval between their starting times was 5 seconds each. C started 10 seconds after A, while B started 5 seconds after A. They passed a certain point R, which is somewhere between P and Q, simultaneously (none of them having reached point Q yet). Having reached Q and reversed the direction, the third sprinter met the second one 9m short of Q and met the first sprinter 15m short of Q.

Find the speed of the three sprinters.

No Solution Yet Submitted by Danish Ahmed Khan    
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  Subject Author Date
re(3): soln - Correction!Kenny M2019-09-28 09:04:27
re(2): soln - Correction!Steven Lord2019-09-27 16:05:59
re: solnKenny M2019-09-27 13:18:04
solnSteven Lord2019-09-27 03:04:18
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