document.write( "Question 822432: can you please help me understand and get the answer to this problem? here it is \"you obtain 6 grams of a 7% saline solution by mixing some amount of 4% solution with some amount of 14%. how much of the 4% should you use?\" it would be great if there was an explanation with the steps included in the response. if not, that's fine. thank you so much. \n" ); document.write( "
Algebra.Com's Answer #494841 by richwmiller(17219)\"\" \"About 
You can put this solution on YOUR website!
x+y=6
\n" ); document.write( "we know that the two amounts add up to 6 grams
\n" ); document.write( "we just don't know how much of each yet.\r
\n" ); document.write( "\n" ); document.write( ".07*6=.04x+.14y
\n" ); document.write( "x=4.2, y=1.8\r
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