Respuesta :

i'm doing cross-multiplication for this problem:

[tex]\frac{18}{10}=\frac{x}{12}[/tex]     multiply 18 · 12, which is 216

[tex]\frac{216}{10}=x[/tex]     divide 216 ÷ 10, which is 21.6

[tex]21.6 = x[/tex], is the final answer