document.write( "Question 906607: A scientist has two solutions, which she has labeled Solution A and Solution B. Each contains salt. She knows that Solution A is 40% salt and Solution B is
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document.write( "65% salt. She wants to obtain 170 ounces of a mixture that is 55%salt. How many ounces of each solution should she use? \n" );
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Algebra.Com's Answer #549955 by richwmiller(17219)![]() ![]() You can put this solution on YOUR website! a+b=170, \n" ); document.write( "0.4*a+0.65*b=0.55*170 \n" ); document.write( "a=170-b \n" ); document.write( "0.4*(170-b)+0.65*b=93.5 \n" ); document.write( "68-0.4b+0.65*b=93.5 \n" ); document.write( "0.25*b=25.5 \n" ); document.write( "b=102 \n" ); document.write( "a=170-b \n" ); document.write( "a=68 oz. at 40% \n" ); document.write( "b=102 oz. at 65% \n" ); document.write( "check \n" ); document.write( "0.4*68+0.65*102=0.55*170 \n" ); document.write( "27.2+66.3=93.5 \n" ); document.write( "93.5=93.5 \n" ); document.write( "ok \n" ); document.write( " \n" ); document.write( " |