document.write( "Question 885798: How do I set up problems like these? :
\n" ); document.write( "A 5L solution that was 12% vinegar was mixed with a 14L solution that was 69% vinegar. Find the new concentration of vinegar.\r
\n" ); document.write( "\n" ); document.write( "I'm pretty stuck on how to set these things up. I can usually figure it out after I set it up. Thanks in advance.
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Algebra.Com's Answer #535440 by Alan3354(69443)\"\" \"About 
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A 7L solution that was 12% vinegar was mixed with a 15L solution that was 69% vinegar. Find the new concentration of vinegar.
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\n" ); document.write( "7*12 + 15*69 = C*(7+15)
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\n" ); document.write( "Set it up like that.
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