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Lelu [443]
3 years ago
8

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 1/10. If their final time is 3.96 minutes, what was their beginning time?
What was the track teams initial relay time in minutes?
Mathematics
1 answer:
klemol [59]3 years ago
3 0
Answer: 15.7 minutes

Step-by-step explanation:

Let x be the time in the beginning (in minutes).

Given: 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, then

x-t1-t2= 3.6
x= 3.6+ t1+ t2
x= 3.6+ 2.1+ 10
x= 15.7

Hence, their beginning time was 15.7 minutes.
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