Question 1207224
{{{t=2b/3}}}
{{{b=3t/2}}}


{{{(t+8)/(b+8)=10/13}}}

-

{{{t=(10/13)(b+8)-8}}}

{{{t=(10/13)(3t/2+8)-8}}}

{{{13t=10(3t/2+8)-13*8}}}

{{{13t=15t+80-104}}}

{{{104-80=2t}}}

{{{52-40=t}}}

{{{highlight(t=12)}}}