Question 1164331
<s>Father is</s> {{{cross(28*3=84)}}} <s>years of age.  This makes Mick 56.</s>


Age difference is 28 years.
m for Mick
3m for father
{{{m+28=3m}}}
{{{28=2m}}}
{{{14=m}}}


{{{3m=3*14=42}}}