document.write( "Question 816699: how many liters pf 50% antiseptic solution must be added to 4 liters of a 20% solution in order to get a 30% antiseptic solution? \n" ); document.write( "
Algebra.Com's Answer #491672 by ewatrrr(24785)\"\" \"About 
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\n" ); document.write( "Hi,
\n" ); document.write( ".50x + .20*4L = .30(4+x)
\n" ); document.write( " .20x = .40
\n" ); document.write( " x = 2L of 50% antiseptic solution must be added
\n" ); document.write( "CHECKING our answer***
\n" ); document.write( " 1.00 + .80 = 1.80L Of antiseptic in final solution \n" ); document.write( "
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