PSABPUPQ - Cool-Down---Acc7.3 Lesson 12 Solving Problems about Percent Increase or Decrease (7.EE.B.3, 7.EE.B.4.a, 7.EE.A.2)
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Part A)

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 .


If their final time is 3.96 minutes, what was their beginning time?


Do not include units (min) in your answer. 


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Type your answer below as a number (example: 5, 3.1, 4 1/2, or 3/2):
Part B)

Show or explain your reasoning.

Type your answer below: