document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=989908>Question 989908</A>: <I><SPAN STYLE=\"word-break: break-all;\"> how many gal. of a 90% sugar solution must be mixed with 3 gal. of a 60% sugar solution to make a 81% solution </SPAN>\n" );
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document.write( "N=amount of 90% solution.<BR>\n" );
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document.write( "0.60(3 gal)+0.90(N)=0.81(N+3)<BR>\n" );
document.write( "1.8gal+0.90N=0.81N+2.43gal<BR>\n" );
document.write( "0.09N=0.63gal<BR>\n" );
document.write( "N=7gal<BR>\n" );
document.write( ".<BR>\n" );
document.write( "ANSWER You should mix 7 gallons of 90% solution with 3 gallons <BR>\n" );
document.write( "of 60% solution to get 10 gallons of 81% solution.<BR>\n" );
document.write( ".<BR>\n" );
document.write( "CHECK:<BR>\n" );
document.write( "0.60(3gal)+0.90(7gal)=0.81(10gal)<BR>\n" );
document.write( "1.8gal+6.3gal=8.1gal<BR>\n" );
document.write( "8.1gal=8.1gal<BR>\n" );
document.write( " </SPAN>\n" );
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