Question 1153388
{{{r+3=2(j+3)}}}
{{{r+3=2j+6}}}
{{{r=2j+3}}}


Ron's age must be more than Joan's.
{{{r-j=9}}}
{{{r=9+j}}}
{{{9+j=2j+3}}}
{{{highlight(6=j)}}}-------------{{{highlight(r=15)}}}