Question 951235
{{{A+B=38}}}
{{{A/10=B/9}}}
{{{A=(10/9)B}}}
Substituting,
{{{(10/9)B+B=38}}}
{{{(19/9)B=38}}}
{{{B=(9/19)(38)}}}
{{{B=18}}}
Then,
{{{A+18=38}}}
{{{A=20}}}