Question 583078
{{{F=26+A}}}  Farah is 26 years older than her son Amir
{{{(F+A)/2=30}}} Their mean age is 30 years
{{{(26+A+A)/2=30}}} SUBSTITUTE AND ADD LIKE TERMS THEN MULTIPLY BY 2
{{{26+2A=60}}}  SUBTRACT 26
{{{2A=34}}}  DIVIDE BY 2
{{{A=17}}}
{{{F=41}}}