Convert both distances to the same unit (tenths of a km), then compare.<br><br>
&bull; Posh: 3 km = \(\frac{30}{10}\) km<br>
&bull; Nick: \(\frac{7}{10}\) km<br>
&bull; \(\frac{30}{10} > \frac{7}{10}\), so Posh jogged further.<br>
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Final Answer: Posh