document.write( "Question 1007245: I really need help with this. Afraid I'm not that great in Algebra. A chemist needs 170 millimeters of a 47% solution but has only 29% and 80% solutions available. Find how many milliliters of each that should be mixed to get the desired solution. \n" ); document.write( "
Algebra.Com's Answer #623206 by Boreal(15235)\"\" \"About 
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x=ml of 29%
\n" ); document.write( "170-x=ml of 80%
\n" ); document.write( "the 170 ml is 47%
\n" ); document.write( "0.29x+0.80(170-x)=170(.47)
\n" ); document.write( "0.29x+136-0.80x=79.9
\n" ); document.write( "-0.51x=-56.1
\n" ); document.write( "x=110 ml
\n" ); document.write( "170-x=60 ml
\n" ); document.write( "110ml of 0.29=0.319
\n" ); document.write( "60 ml of 0.80=0.48
\n" ); document.write( "They add to 0.799 pure acid
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