document.write( "Question 341738: You are a lab technician and need to put together 13 ounces of a 10.64% salt solution. You have stock solution in quart bottles of 6% salt solution and 16% salt solution. Your job is to calculate the number of ounces, accurate to the nearest hunderdth, of each stock solution that is needed to make the required amount. \n" ); document.write( "
Algebra.Com's Answer #244680 by checkley77(12844)![]() ![]() ![]() You can put this solution on YOUR website! .16x+.06(13-x)=.1064*13 \n" ); document.write( ".16x+.78-.06x=1.3832 \n" ); document.write( ".10x=1.3832-.78 \n" ); document.write( ".13x=.6032 \n" ); document.write( "x=.6032/.10 \n" ); document.write( "x=6.032 oz. of the 16% solution is used. \n" ); document.write( "13-6.032=6.968 oz. of the 6% solution is used. \n" ); document.write( "Proof: \n" ); document.write( ".16*6,032+.06*6.968=.1064*13 \n" ); document.write( ".96512+.41808=1.3832 \n" ); document.write( "1.3832=1.3832 \n" ); document.write( " \n" ); document.write( " |