document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=1053200>Question 1053200</A>: <I><SPAN STYLE=\"word-break: break-all;\"> A metallurgist has one alloy containing 30% copper and another containing 67% copper. How many pounds of each alloy must he use to make 45 pounds of a third alloy containing 45% copper? (Round to two decimal places if necessary.)<BR>\n" );
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document.write( ".67x + .30(45lbs-x) = .45(45lbs)<BR>\n" );
document.write( "x = .15(45lbs)/.37 , amount containing 67% copper<BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=45-x ALIGN=MIDDLE  ALT=\"45-x\"   DISABLED_style= \"max-width:90%; height:auto;\" > , amount containing 30% copper </SPAN>\n" );
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