document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=250710>Question 250710</A>: <I><SPAN STYLE=\"word-break: break-all;\"> Can you explain how to do mixture formulas such as: <BR>\n" );
document.write( "How many liters of 30% alcohol must be mixed with 20 liters of 80% alcohol to obtain a 50% alcohol solution? </SPAN>\n" );
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document.write( "In this case <BR>\n" );
document.write( ".30x+.80*20=.50(x+20)<BR>\n" );
document.write( "The trick here is that we don't know the total amount of solution in the end.<BR>\n" );
document.write( "But we do know how much 80 % solution there is.<BR>\n" );
document.write( "So we will add x amount so the total will be (20 + x)<BR>\n" );
document.write( "Solve the equation will give you x-- the amount of 30% to be added  </SPAN>\n" );
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