document.write( "Question 54843: WORD PROBLEM:\r
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document.write( "How much water should be added to 8 ML of 6% Saline solution to reduce the concentration to 4%?\r
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document.write( "Please Help? \n" );
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Algebra.Com's Answer #37037 by checkley71(8403)![]() ![]() ![]() You can put this solution on YOUR website! 8*.06=(8+X).04 \n" ); document.write( ".48=.32+.04X \n" ); document.write( ".04X=.48-.32 \n" ); document.write( ".04X=.16 \n" ); document.write( "X=.16/.04 \n" ); document.write( "X=4 ADDITIONAL L OF WATER NEEDED TO CHANGE THE MIX FROM 6% TO 4%. \n" ); document.write( "PROOF \n" ); document.write( "8*.06=(8+4).04 \n" ); document.write( ".48=12*.04 \n" ); document.write( ".48=.48 \n" ); document.write( " |