document.write( "Question 1081979: a vendor bought 10 liters of milk at $10 and 20 liters of milk at $30. in what proportion should i mix water and the total 30 liters of milk to sell each liter of milk at $1 per liter? \n" ); document.write( "
Algebra.Com's Answer #696032 by josmiceli(19441)\"\" \"About 
You can put this solution on YOUR website!
Let \"+x+\" = liters of water to be added
\n" ); document.write( "\"+%28+10%2A10+%2B+20%2A30+%29+%2F+%28+30+%2B+x+%29+=+1+\" dollars/liter
\n" ); document.write( "( I think they are assuming that the added
\n" ); document.write( "water does not add to the cost )
\n" ); document.write( "\"+700+%2F+%28+30+%2B+x+%29+=+1+\"
\n" ); document.write( "\"+30+%2B+x+=+700+\"
\n" ); document.write( "\"+x+=+670+\"
\n" ); document.write( "----------------
\n" ); document.write( "The ratio of water to milk needs to be
\n" ); document.write( "\"+670%2F30+=+22.33+\"
\n" ); document.write( "Get another opinion on this one
\n" ); document.write( "if needed
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