2x. [tex]\frac{1}{8}[/tex] + 3x. [tex]\frac{1}{18} [/tex]+ x + 2x = 260 x. [tex]\frac{1}{4} [/tex] + x. [tex]\frac{1}{6}[/tex] + x+ 2x = 260 x. [tex]\frac{41}{12}[/tex] = 260 => x = [tex]\frac{3120}{41}[/tex]