Question 29720
{{{ Milk/Flour }}}
this is your basic ratio
the ratio in the recipie calls for 
{{{ (10/3)milk / 1 flour }}} = {{{ (7/2)milk /x flour }}}
cross multiply
{{{ (10x/3) =  (7/2) }}}
cross multiply again
{{{ (10x(2)) =  (7)(3) }}}
{{{ 20x = 21 }}}
divide both sides by 20
{{{ x = 21/20 }}}