document.write( "Question 27195: colette has some 8% acid to which she adds 10 liters of 20% acid to get a 15% acid solution determine how much 8% acid she needs. \n" ); document.write( "
Algebra.Com's Answer #14785 by Paul(988)\"\" \"About 
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8x+20(10)=15(x+10)
\n" ); document.write( "8x+200=15x+150
\n" ); document.write( "-7x=-50
\n" ); document.write( "x=7.14 (rounded)\r
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\n" ); document.write( "\n" ); document.write( "Hence, she needs about 7.14L of 8% solution.
\n" ); document.write( "Paul.
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