Question 1167525
c Cole
b Brother of Cole

Assuming you mean, "12 times as many pounds as,"
{{{system(b=12c,c+b=273)}}}


{{{c=273-b}}}
-
{{{b=12(273-b)}}}
{{{b=273*12-12b}}}
{{{13b=273*12}}}
{{{highlight(b=252)}}}