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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