Question 1205383
<pre>
CONTAINER      startQuantity       aftersomesellQuantity
    X          (2/7)1512            (2/7)1512
    Y              y                 y-190=2(3/4)z
    Z              z                 (3/4)z
TOTAL           1512
</pre>
{{{system(432+y+z=1512,y-190=2(3/4)z)}}}


{{{system(y+z=1080,y-190=(3/2)z)}}}


{{{system(y+z=1080,2y-3z=380)}}}


{{{E1-E2}}}:


{{{system(z=356,and,highlight(y=724))}}}


check:
{{{432+724+356=1512 }}}
{{{okay}}}