Question 1114809
{{{system(20x+50y=42*431.25,x+y=431.25)}}}


{{{system(2x+5y=1811.25,x+y=431.25)}}}

You might want to use Elimination Method at least for either variable.


{{{system(2x+5y=1811.25,2x+2y=862.5)}}}


{{{3y=1811.25-862.5}}}

{{{3y=948.75}}}

{{{highlight(y=316.25)}}}------------of the 50% HCl

.
{{{highlight(x=115)}}}--------------of 20% HCl