Mathematics, 12.02.2021 20:00 kaykayhodge

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 half
If their final time is 3.96 minutes, what was their beginning time..
need help asap

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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...