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In the first event, the eighth graders are running a baton relay race with three other classmates. The team’s top speed for each leg is 56.81 seconds, 59.22 seconds, 57.39 seconds, and 60.11 seconds. Use the information to predict the team’s best time for the race. (Answer) four minutes and twelve seconds




If the team’s best time for the race is less than 4 minutes, then the eighth graders earn 40 points. If not, the seventh graders earn 40 points. Which grade should be awarded 40 points?
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Answer:

The team’s best time for the race is 3.89. The team’s best time for the race is less than 4 minutes, therefore the eighth graders earn 40 points.

Step-by-step explanation:

It is given that the eighth graders are running a baton relay race with three other classmates. The team’s top speed for each leg is 56.81 seconds, 59.22 seconds, 57.39 seconds, and 60.11 seconds.

The team’s best time for the race is

[tex]56.81+59.22+57.39+60.11=233.53[/tex]

1 min = 60 sec

Using this conversion we get

[tex]\frac{233.53}{60}=3.892167\approx 3.89[/tex]

Therefore the team’s best time for the race is 3.89.

If the team’s best time for the race is less than 4 minutes, then the eighth graders earn 40 points. If not, the seventh graders earn 40 points.

Since the team’s best time for the race is less than 4 minutes, therefore the eighth graders earn 40 points.

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