document.write( "Question 484732: Please, please show me how to come up with this answer...thanks!\r
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document.write( "A chemist has a solution that is 20% peroxide and another solution that is 70% peroxide. She wishes to make 100 Liters of a solution that is 35% peroxide. How much of each solution should she use? \n" );
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Algebra.Com's Answer #331611 by mananth(16946)![]() ![]() You can put this solution on YOUR website! percent percentage ---------------- quantity \n" ); document.write( "Peroxide I 20 ---------------- x liters \n" ); document.write( "Peroxide II 70 ---------------- 100 - x liters \n" ); document.write( "Mixture 35.00% ---------------- 100 \n" ); document.write( " \n" ); document.write( "20x +70 (100- x ) = 35 * 100 \n" ); document.write( " \n" ); document.write( "20x+7000- 70 x = 3500 \n" ); document.write( "20 x - 70 x= 3500 - 7000 \n" ); document.write( "-50 x = -3500 \n" ); document.write( "/ -50 \n" ); document.write( " x= 70li ters20.00% Peroxide I \n" ); document.write( " 30 liters 70.00% Peroxide II \n" ); document.write( " \n" ); document.write( " |