document.write( "Question 70275: (3)A 100% concetrate is to be mixed with a mixture having a concentrate of 40% to obtain 55 gallons of a mixture with a concentrate of 75%. how much of the 100% concentrate will be needed?\r
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Algebra.Com's Answer #50131 by checkley75(3666)\"\" \"About 
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1X+.4(55-X)=.75*55
\n" ); document.write( "X+22-.4X=41.25
\n" ); document.write( ".6X=41.25-22
\n" ); document.write( ".6X=19.25
\n" ); document.write( "X=19.25/.6
\n" ); document.write( "X=32.0833 GALLONS OF 100% SOLUTION IS NEEDED.
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\n" ); document.write( "32.0833+.4(55-32.08333)=41.25
\n" ); document.write( "32.08333+22-12.8333=41.25
\n" ); document.write( "54.08333-12.8333=41.25
\n" ); document.write( "41.25=41.25\r
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