document.write( "Question 1011699: 1) How many cubic centimeters of water must be evaporated from 32 cubic centimeters of 4% solution of salt and water to make a solution that is 16% salt?\r
\n" ); document.write( "\n" ); document.write( "2) How much pure silver must be added to 80 grams of fine silver (an alloy of 90% silver) to obtain a sterling silver (an alloy that is 92.5% silver)?\r
\n" ); document.write( "\n" ); document.write( "3) A solution of water and alcohol is 80% alcohol. How much alcohol must be added to 50 gallons of this solution to make it 90% alcohol?\r
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Algebra.Com's Answer #627452 by ikleyn(52781)\"\" \"About 
You can put this solution on YOUR website!
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\n" ); document.write( "For  #1  see the lesson  Mixture problems,  Problem 2;\r
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\n" ); document.write( "\n" ); document.write( "for  #3  see the Problem 5  of the same lesson.\r
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