document.write( "Question 1092445: How many liters of a 15% saline solution must be added to 8 liters of a 4% saline solution to produce a 7% solution? note: Do NOT solve the entire problem. Answer only part (a) and part (b) below.\r
\n" ); document.write( "\n" ); document.write( "A)In solving this problem, what would you assume as a variable?
\n" ); document.write( "B)Find the amount of pure saline that  is present in 8 liters of 4% saline solution?\r
\n" ); document.write( "\n" ); document.write( "FOR A I GOT x = number of liters in 15% saline solution
\n" ); document.write( "FOR B I GOT amount of pure saline present in 8 liters of 4% saline solution = 0.04* 8 = 0.32 liters\r
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Algebra.Com's Answer #707041 by ikleyn(52803)\"\" \"About 
You can put this solution on YOUR website!
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\n" ); document.write( "To this post, I'd like to make couple of notices.\r
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document.write( "1.  From Wikipedia, the free encyclopedia \r\n" );
document.write( "    https://en.wikipedia.org/wiki/Saline_(medicine)\r\n" );
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document.write( "    Saline, also known as saline solution, is a mixture of sodium chloride in water and has a number of uses in medicine.\r\n" );
document.write( "    Applied to the affected area it is used to clean wounds, help remove contact lenses, and help with dry eyes. \r\n" );
document.write( "    By injection into a vein it is used to treat dehydration such as from gastroenteritis and diabetic ketoacidosis. \r\n" );
document.write( "    It is also used to dilute other medications to be given by injection.\r\n" );
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document.write( "    Normal saline (NSS, NS or N/S) is the commonly used phrase for a solution of 0.90% w/v of NaCl, 308 mOsm/L or 9.0 g per litre.\r\n" );
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document.write( "2.  Such thing as \"pure saline\" does not exists in the nature \r\n" );
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document.write( "         (in my opinion. I am not a chemist (studied chemistry at my high school), but this combination \r\n" );
document.write( "          of words \"pure saline\" is getting hard on the ears.)\r\n" );
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document.write( "    To check myself, I asked GOOGLE with this combination of words \"pure saline\".\r\n" );
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document.write( "    GOOGLE gave me \"~ 8000 references\" in responce.\r\n" );
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document.write( "    I know that if I ask GOOGLE about some existing thing, it will give me ~ 1 000 000 (millions) references in response.\r\n" );
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document.write( "    8000 reference is a clear evidence/indication that such thing does not exist, and all these 8000 references are \"the noise\" \r\n" );
document.write( "    due to imperfectness of the system.\r\n" );
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document.write( "3.  I suspect that in reality you wanted to ask about \"pure salt amount\" dissolved,\r\n" );
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document.write( "     but then it must be written accordingly.\r\n" );
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\n" ); document.write( "\n" ); document.write( "There is entire bunch of introductory lessons covering various types of mixture problems\r
\n" ); document.write( "\n" ); document.write( "    - Mixture problems\r
\n" ); document.write( "\n" ); document.write( "    - More Mixture problems\r
\n" ); document.write( "\n" ); document.write( "    - Solving typical word problems on mixtures for solutions \r
\n" ); document.write( "\n" ); document.write( "    - Word problems on mixtures for antifreeze solutions \r
\n" ); document.write( "\n" ); document.write( "    - Word problems on mixtures for alloys \r
\n" ); document.write( "\n" ); document.write( "    - Typical word problems on mixtures from the archive\r
\n" ); document.write( "\n" ); document.write( "in this site.\r
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\n" ); document.write( "\n" ); document.write( "Read them and become an expert in solution mixture word problems.
\n" ); document.write( "Read attentively and start from the very first lesson to get familiar with the variety of physical conditions and terminology.\r
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\n" ); document.write( "\n" ); document.write( "Also, you have this free of charge online textbook in ALGEBRA-I in this site\r
\n" ); document.write( "\n" ); document.write( "    - ALGEBRA-I - YOUR ONLINE TEXTBOOK.\r
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\n" ); document.write( "\n" ); document.write( "The referred lessons are the part of this textbook in the section \"Word problems\" under the topic \"Mixture problems\".\r
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\n" ); document.write( "\n" ); document.write( "Save the link to this online textbook together with its description\r
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\n" ); document.write( "\n" ); document.write( "Free of charge online textbook in ALGEBRA-I\r
\n" ); document.write( "\n" ); document.write( "https://www.algebra.com/algebra/homework/quadratic/lessons/ALGEBRA-I-YOUR-ONLINE-TEXTBOOK.lesson\r
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\n" ); document.write( "\n" ); document.write( "to your archive and use it when it is needed.\r
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