document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=1012519>Question 1012519</A>: <I><SPAN STYLE=\"word-break: break-all;\"> How much of each solution, a 30% solution and a 50% solution, would be added together to produce 10 litres of a 45% solution? </SPAN>\n" );
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document.write( "T=amount of 30% solution; F=amount of 50% solution<BR>\n" );
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document.write( "T+F=10L<BR>\n" );
document.write( "T=10L-F<BR>\n" );
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document.write( "0.30T+0.50F=0.45(10L)<BR>\n" );
document.write( "0.30(10L-F)+0.50F=4.5L<BR>\n" );
document.write( "3.0L-0.30F+0.50F=4.5L<BR>\n" );
document.write( "0.20F=1.5L<BR>\n" );
document.write( "F=7.5L<BR>\n" );
document.write( ".<BR>\n" );
document.write( "T=10L-F=10L-7.5L=2.5L<BR>\n" );
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document.write( "ANSWER: Add 2.5 liters of 30% solution and 7.5 liters of<BR>\n" );
document.write( "50% solution to produce 10 liters of 45% solution.<BR>\n" );
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document.write( "</TD></TR></TABLE>\n" );