document.write( "Question 1120807: Ashwin has 500 mL of a 60% solution of silver nitrate. How many milliliters of 30% silver nitrate solution should be added to obtain a 50% solution? \n" ); document.write( "
Algebra.Com's Answer #736489 by josgarithmetic(39618)\"\" \"About 
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x, the volume of the 30% silver nitrate to add\r
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\n" ); document.write( "\n" ); document.write( "\"30x%2B60%2A500=50%28x%2B500%29\"\r
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\n" ); document.write( "\n" ); document.write( "Not a system needed. Just one variable necessary.
\n" ); document.write( "Account for amount of pure silver nitrate.
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