Question 950302
Let {{{ m }}} = Mike's age now
Let {{{ h }}} = Helen's age now
{{{ m = 8 }}}
{{{ h = m + 3 }}}
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{{{ h = 8 + 3 }}}
{{{ h = 11 }}}
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In 4 years:
{{{ m + 4 = 8 + 4 }}}
{{{ m + 4 = 12 }}}
and
{{{ h + 4 = 11 + 4 }}}
{{{ h = 15 }}}
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{{{ (( m + 4 )) / (( h + 4 )) = 12/15 }}}
{{{ (( m + 4 )) / (( h + 4 )) = 4/5 }}}