Question 534837
Let {{{x}}} = ounces of water to be added
given:
Salt in 60% solution = {{{ .6*20 = 12 }}} ounces
{{{ 12 / ( 20 + x ) = .45 }}}
{{{ 12 = .45*( 20 + x ) }}}
{{{ 12 = 9 + .45x }}}
{{{ .45x = 3 }}}
{{{ x = 6.666 }}}
6.666 ounces of water should be added