Question 1189005
h, t, b
{{{system(h=9,t=h+b/2,b=h+t)}}}


{{{t=h+(h+t)/2}}}

{{{2t=2h+h+t}}}

{{{2t=3h+t}}}

{{{t=3h}}}

-

{{{t=3*9}}}

{{{highlight_green(t=27)}}}

-

{{{b=h+t}}}

{{{b=9+27}}}

{{{highlight_green(b=36)}}}

-

h was given as 9.


Length of the fish:
{{{h+t+b}}}
{{{9+27+36}}}
{{{highlight(72)}}}