Question 1046504
Let {{{ x }}} = the number of geese
{{{ 27 - x }}} = the number of horses
{{{ 2x }}} = the number of feet the geese have
{{{ ( 27 - x )*4 }}} = the number of feet the horses have
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{{{ 108 - 4x + 2x = 78 }}}
{{{ 108 - 2x = 78 }}}
{{{ 2x = 30 }}}
{{{ x = 15 }}}
and
{{{ 27 - 15 = 12 }}}
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There are 15 geese and 12 horses
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check:
geese have 
{{{ 2x = 2*15 }}} 
{{{ 2x = 30 }}} feet
Horses have:
{{{ 78- 30 = 48 }}} feet
{{{ 48/4 = 12 }}}
There are 12 horses
OK