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Mathematics, 29.09.2019 17:20 JKJKJKJKGFGH7470
In a swimming race, a student swam the first 50 meters in 42 seconds. she swam the secons 50 meters in 40 seconds. what was the students average speed during the race?
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In a swimming race, a student swam the first 50 meters in 42 seconds. she swam the secons 50 meters...
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