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Sagot :
Given:
• For Lin:
Distance = 234 miles
Time = 2/5 of an hour
• For Noah:
Distance = 823 miles
Time = 4/3 of an hour
Let's determine who ran faster.
Let's find the time of each runner by multplying by 60.
Where:
60 minutes = 1 hour
To determine the speed of each of them, apply the formula:
[tex]speed=\frac{dis\tan ce}{time}[/tex]• To find Lin's speed, we have:
[tex]\text{ Lin's sp}eed=\frac{dis\tan ce}{\text{time}}=\frac{234}{\frac{2}{5}\ast60}=\frac{234}{24}=9.75\text{ mph}[/tex]Therefore, Lin's speed is 9.75 miles per hour.
• To find Noah's speed, we have:
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