Answer :
1 kilometers ---> 1000 meters
x kilometers ---> 15000 meters
[tex]\begin{gathered} x\times1000=1\times15000 \\ 1000x=15000 \\ \frac{1000x}{1000}=\frac{15000}{1000} \\ x=15 \end{gathered}[/tex]answer: 15 kilometers
1 kilometers ---> 1000 meters
x kilometers ---> 15000 meters
[tex]\begin{gathered} x\times1000=1\times15000 \\ 1000x=15000 \\ \frac{1000x}{1000}=\frac{15000}{1000} \\ x=15 \end{gathered}[/tex]answer: 15 kilometers