document.write( "Question 880733: how many quarts of pure antifreeze must be added to 3 quarts of a 20% antifreeze solution to obtain a 50% antifreeze solution?
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Algebra.Com's Answer #531650 by josgarithmetic(39617) $\"\"$ $\"About$

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The problem solution works as explained in the lesson:
\n" ); document.write( "Click this link to read and study the lesson. Mixture: one material quantity unknown\r
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\n" ); document.write( "\n" ); document.write( "v is how many quarts of pure material to add.
\n" ); document.write( " $\"highlight%28%2820%2A3%2B100v%29%2F%28v%2B3%29=50%29\"$ \n" ); document.write( "

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