Question 1201109
<pre>
                   NOW     TEN MORE YEARS

RAL                 r      r+10

SHEIN             28-r    (28-r)+10

Sum                28
</pre>
The description's second sentence means {{{r+10=2(28-r+10)}}};

{{{r+10=2(38-r)}}}

{{{r+10=76-2r}}}

{{{3r=66}}}

{{{highlight(r=22)}}}-------Ral

{{{highlight(6)}}}-------Shein