Question 1206398
<pre>
             NOW             SIX YEARS AGO

Bel          t+5t=6t        (t-6)+7(t-6)=8t-48

Tina          t               t-6
</pre>
If now Bel is 6t, then six years ago she was 6t-6.


{{{6t-6=8t-48}}}
-
{{{-6+48=2t}}}

{{{2t=42}}}

{{{highlight(t=21)}}}------Tina's age now.


Bel is  {{{highlight(126)}}} years old.