We know that the mountain height was 3,680 meters and it is now 25% shorter.
We can relate the current and old height as:
[tex]\begin{gathered} h_{current}=h_{old}-0.25h_{old} \\ h_{current}=0.75h_{old} \\ h_{current}=0.75*3680 \\ h_{current}=2760 \end{gathered}[/tex]Answer: The mountain is now 2,760 meters tall.
