document.write( "Question 460415: I have problems on knowing where to start on story problems and what to do with them. Here is an example.\r
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document.write( "How much pure acid must be mixed with 80 liters of 10% acid to get 30% acid? \n" );
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Algebra.Com's Answer #315784 by richwmiller(17219)![]() ![]() You can put this solution on YOUR website! from the view of acid \n" ); document.write( "x+ .1*80=.30(x+80) \n" ); document.write( "x=22.8571 \n" ); document.write( "from the view of water \n" ); document.write( ".9*80=.7*(x+80) \n" ); document.write( "x=22.8571 \n" ); document.write( " \n" ); document.write( " |