Question 1129692
c, Clyde
b, Bonnie

{{{c=3b+11}}}
{{{3b=c-11}}}

{{{b=(c-11)/3}}}

-

{{{cb=60}}}

{{{c(c-11)/3=60}}}

{{{c(c-11)=180}}}

A factorization which works for 180 is 20 and 9.
Clyde is 20.
{{{highlight(c=20)}}}