Let us convert 15seconds to hour.
[tex]\begin{gathered} 1hour=3600secs \\ xhour=15secs \\ \\ \therefore x=\frac{15secss\times1hour}{3600secs}=\frac{15}{3600}=\frac{1}{240}hr \end{gathered}[/tex]The formula for distance is,
[tex]distance=speed\times time[/tex]Therefore,
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