document.write( "Question 185642: Solve Problems Using Linear Systems
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document.write( "10. White vinegar is a solution of acetic acid in water. There are two strengths of white vinegar-a 5% solution and a 10% solution. How many mililitres of each solution must be mixed to make 50 mL of a 9% vinegar solution?
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document.write( "Can you please help me with these problem? Thank you very much!!! \n" );
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Algebra.Com's Answer #139235 by checkley77(12844)![]() ![]() ![]() You can put this solution on YOUR website! .10x+.05(50-x)=.09*50 \n" ); document.write( ".10x+2.5-.05x=4.5 \n" ); document.write( ".05x=4.5-2.5 \n" ); document.write( ".05x=2 \n" ); document.write( "x=2/.05 \n" ); document.write( "x=40 ml of 10% vinegar is used. \n" ); document.write( "50-40=10 ml of 5% vinegar is used. \n" ); document.write( "Proof: \n" ); document.write( ".10*40+.05*10=.09*50 \n" ); document.write( "4+.5=4.5 \n" ); document.write( "4.5=4.5 \n" ); document.write( " |