Question 606560
Let {{{x }}} = ounces when it is full
{{{ x/2 }}} = ounces when it is half full
{{{ x/3 }}} = ounces when it is 1/3 full
given:
{{{ x/2 - 20 = x/3 }}}
Multiply both sids by {{{6}}}
{{{ 3x - 120 = 2x }}}
{{{ x = 120 }}}
It contains 120 ounces when full