Question 950281
{{{ m = 3s }}}
{{{ m - 5 + s - 5 = 38 }}}
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{{{ m + s - 10 = 38 }}}
{{{ m + s = 48 }}}
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By substitution:
{{{ 3s + s = 48 }}}
{{{ 4s = 48 }}}
{{{ s = 12 }}}
and
{{{ m = 3s }}}
{{{ m = 3*12 }}}
{{{ m = 36 }}}
The son is 12 and the man is 36