document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=19205>Question 19205</A>: <I><SPAN STYLE=\"word-break: break-all;\"> The nut house sells walnuts for $4 a pound and cashew for $7 a pound.  how many pounds of cashews shound be mixed with 10 pounds of walnuts to obtain a mixture htat sells for $5.5 a pound? </SPAN>\n" );
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document.write( "4x+7(10-x)=5.5(10)<BR>\n" );
document.write( "4x+70-7x=55<BR>\n" );
document.write( "-3x+70=55<BR>\n" );
document.write( "-3x+70-70=55-70<BR>\n" );
document.write( "-3x=-15x(divide each side by -3)<BR>\n" );
document.write( "x=5\r<BR>\n" );
document.write( "\n" );
document.write( "Therefore each of these materials should be 5 pounds. </SPAN>\n" );
document.write( "</TD></TR></TABLE>\n" );