document.write( "Question 426160: how much water should be added to 26 mL of 16% alchohol solution to reduce the concentration of 13% \n" ); document.write( "

Algebra.Com's Answer #296528 by josmiceli(19441) $\"\"$ $\"About$

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Let $\"a\"$ = ml of water to be added
\n" ); document.write( " $\"+%28+.16%2A26+%29+%2F+%2826+%2B+a%29+=+.13+\"$
\n" ); document.write( " $\"+4.16+=+.13%2A%2826+%2B+a%29+\"$
\n" ); document.write( " $\"+4.16+=+3.38+%2B+.13a+\"$
\n" ); document.write( " $\"+.13a+=+.78+\"$
\n" ); document.write( " $\"+a+=+6+\"$
\n" ); document.write( "6 ml of water should be added
\n" ); document.write( "check:
\n" ); document.write( " $\"+%28+.16%2A26+%29+%2F+%2826+%2B+6%29+=+.13+\"$
\n" ); document.write( " $\"+%28+.16%2A26+%29+%2F+32+=+.13+\"$
\n" ); document.write( " $\"+4.16+=+.13%2A32+\"$
\n" ); document.write( " $\"4.16+=+4.16+\"$
\n" ); document.write( "OK \n" ); document.write( "

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