document.write( "Question 1156013: Annabell has 25 ounces of a 20% boric acid solution which she wishes to dilute to a 10% solution. How much water does she have to add in order to obtain the 10% solution? \n" ); document.write( "
Algebra.Com's Answer #778690 by ikleyn(52786)\"\" \"About 
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document.write( "Let W be the volume of water to dilute.\r\n" );
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document.write( "The amount of a pure acid is  0.2*25 ounces,\r\n" );
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document.write( "The total volume after dilution is  (25 + W) ounces.\r\n" );
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document.write( "The equation for concentration is\r\n" );
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document.write( "    \"%280.2%2A25%29%2F%2825%2BW%29\" = 0.1.\r\n" );
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document.write( "To solve, cross multiply\r\n" );
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document.write( "    0.2*25 = 0.1*(25 + W).\r\n" );
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document.write( "Simplify\r\n" );
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document.write( "    5 = 2.5 + 0.1W\r\n" );
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document.write( "    W = \"%285+-+2.5%29%2F0.1\" = \"2.5%2F0.1\" = 25.\r\n" );
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document.write( "ANSWER.  25 ounces of water.\r\n" );
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\n" ); document.write( "\n" ); document.write( "From the other side, the answer is OBVIOUS:\r
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document.write( "    to dilute from 20% to 10%, Annabell must double the volume of the solution, i.e. add 25 ounces of water.\r\n" );
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\n" ); document.write( "\n" ); document.write( "There is entire bunch of 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 dry substances like coffee beans, nuts, cashew and peanuts\r
\n" ); document.write( "\n" ); document.write( "    - Word problems on mixtures for dry substances like candies, dried fruits\r
\n" ); document.write( "\n" ); document.write( "    - Word problems on mixtures for dry substances like soil and sand\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( "    - Advanced mixture problems \r
\n" ); document.write( "\n" ); document.write( "    - Advanced mixture problem for three alloys \r
\n" ); document.write( "\n" ); document.write( "    - Unusual word problem on mixtures \r
\n" ); document.write( "\n" ); document.write( "    - Check if you know the basics of mixtures from Science \r
\n" ); document.write( "\n" ); document.write( "    - OVERVIEW of lessons on word problems for mixtures\r
\n" ); document.write( "\n" ); document.write( "in this site.\r
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\n" ); document.write( "\n" ); document.write( "A convenient place to quickly observe these lessons from a  \"bird flight height\"  (a top view)  is the last lesson in the list.\r
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\n" ); document.write( "\n" ); document.write( "Read them and become an expert in solution the mixture word problems.\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 online textbook 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
\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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