document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=1146352>Question 1146352</A>: <I><SPAN STYLE=\"word-break: break-all;\"> A chemist has 20% and 60% solutions of acid available. How many liters of each solution should be mixed to obtain 25 liters of 28% acid solution? </SPAN>\n" );
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document.write( "Here is a faster and easier way to find the answer to \"mixture\" problems like this.<br><BR>\n" );
document.write( "(1) The target 28% is 1/5 of the way from 20% to 60%.  (20 to 60 is a difference of 40; 20 to 28 is a difference of 8; 8/40 = 1/5.)<BR>\n" );
document.write( "(2) That means 1/5 of the mixture should be the higher (60%) ingredient.<br><BR>\n" );
document.write( "ANSWER: 1/5 of 25L, or 5L, of 60% acid; the other 20L of 20% acid. </SPAN>\n" );
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