Question 1102381
p and c


{{{system(p+c=180,p/c=9)}}}


{{{9c+c=180}}}


{{{10c=180}}}


{{{highlight(c=18)}}}

-

{{{p=9c}}}
{{{p=9*18}}}
{{{highlight(p=162)}}}



CHECK?
{{{162+18=170+10=180}}},{{{expected}}}{{{sum}}}
and
{{{p/c=162/18=9}}},{{{already}}}{{{found}}}