document.write( "Question 875044: A chemist needs 500 ml of a 20% acid and 80% water mix. The chemist combines x ml of a 10% acid and 90% water mix and y ml of a 30% acid and 70% water mix to make the needed 20% acid and 80% water mix. Write a linear system that represents the situation. \n" ); document.write( "

Algebra.Com's Answer #527937 by josgarithmetic(39623) $\"\"$ $\"About$

You can put this solution on YOUR website!
That's a nice way of putting the description.\r
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\n" ); document.write( "\n" ); document.write( "With enough experience you may quickly form this:
\n" ); document.write( " $\"highlight_green%28%2810x%2B30y%29%2F500=20%29\"$ and $\"highlight_green%28x%2By=500%29\"$ .
\n" ); document.write( "Solve for x and y.\r
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\n" ); document.write( "\n" ); document.write( "See a complete lesson on this here: Mixing two concentrations for known amount of mixture \n" ); document.write( "

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