document.write( "Question 33909: I am having a bit of trouble with this one. Please help!\r
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document.write( "Alan needs 250 ml of a solution that is 45% alcohol. If he has a solution that is 50% alcohol and purified water (which is 0% alcohol, how much water should he use?\r
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document.write( "I have tried everything I think the 0% is really throwing me off.\r
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document.write( "If you can help that would be so great... \n" );
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Algebra.Com's Answer #20306 by Paul(988)![]() ![]() ![]() You can put this solution on YOUR website! Let the soluton be x \n" ); document.write( "Equation: \n" ); document.write( "0x+50(250-x)=45(250) \n" ); document.write( "12500-50x=11250 \n" ); document.write( "-50x=-1250 \n" ); document.write( "x=25 \n" ); document.write( "He should use about 25 mL of water. \n" ); document.write( "Paul. \n" ); document.write( " |