Mathematics, 28.09.2019 02:40 svg8

The track team is trying to reduce their time for a relay race. first they reduce their time by 2.1 minutes. then they are able to reduce that time by 10 if their final time is 3.96 minutes, what was their beginning time? show or explain your reasoning.

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The track team is trying to reduce their time for a relay race. first they reduce their time by 2.1...