High School

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Five runners are entered into a competition. Four of the runners have completed their turns with times of 7.4 s, 7.75 s, 7.09 s, and 7.86 s.

What time must the last runner achieve in order to win the competition?

Answer :

Answer:

let t be winning time t < 7.09 seconds

Step-by-step explanation:

let's first order the times from least to greatest:

7.09, 7.40, 7.75, and 7.86

Now, in order to have the winning time, the last runner must have a time less than the fastest runner so far. So, the winning time is less than 7.09 seconds.

Make sure to add units. I know that my teachers are REALLY picky about that, though yours may not care.

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Rewritten by : Barada

Answer:

Just writing anything above these numbers

Step-by-step explanation: