To find the horizontal distance, we have to use Pythagorean's Theorem.
[tex]25^2=15^2+x^2[/tex]
Then, we solve for x.
[tex]\begin{gathered} x=\sqrt[]{625-225}=\sqrt[]{400} \\ x=20 \end{gathered}[/tex]
Hence, the bottom of the slide is 20 meters away from the ladder.
