Answer :

Answer:

20 inches

Step-by-step explanation:

We have similar triangles, so the ratios of pairs of corresponding sides are equal. Let x be the length of the unknown side. We have:

[tex] \frac{15}{x} = \frac{6}{8} [/tex]

[tex]6x = 120[/tex]

[tex]x = 20[/tex]