document.write( "Question 1175242: 4) The half-life of a medication is the amount of time for half of the drug to be eliminated from the body. The half-life of Advil or ibuprofen is represented by the equation R=M(0.5)^1/2, where R is the amount of Advil remaining in the body, M is the initial dosage, and t is time in hours. \r
\n" ); document.write( "\n" ); document.write( "a) A 200 milligram dosage of Advil is taken at 1:00 pm. How many milligrams of the medication will remain in the body at 6:00 pm? \r
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\n" ); document.write( "\n" ); document.write( "b) If a 200 milligram dosage of Advil is taken how many milligrams of the medication will remain in the body 12 hours later? \r
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Algebra.Com's Answer #800837 by ikleyn(52847)\"\" \"About 
You can put this solution on YOUR website!
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\n" ); document.write( "\n" ); document.write( "Hello,  from your post,  I see that you get the first immersion to the subject and to the terminology,\r
\n" ); document.write( "\n" ); document.write( "but still it is not sufficient to write  PERFECTLY,  so you need to immerse  DEEPER.\r
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\n" ); document.write( "\n" ); document.write( "For it,  I recommend you to look into my lessons,  to which I refer at the end of this post.\r
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\n" ); document.write( "\n" ); document.write( "More concretely,  regarding your post,  the formula for the decay in the post is written  INCORRECTLY.\r
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\n" ); document.write( "\n" ); document.write( "You say that  \"t\"  is the part of the formula,  but in reality,  you missed  \"t\"  in the formula.\r
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\n" ); document.write( "\n" ); document.write( "I can guess on how it should be,  but I don't want to guess --- it would be incorrectly from my side.\r
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\n" ); document.write( "\n" ); document.write( "        THEREFORE,  I ask you to rewrite your post and to re-submit it to the forum.\r
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\n" ); document.write( "\n" ); document.write( "If you do,  then  PLEASE  do not submit it to me personally.\r
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\n" ); document.write( "\n" ); document.write( "Simply submit to the forum,  as you do it regularly.\r
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\n" ); document.write( "\n" ); document.write( "Now the links to the relevant lessons,  that I promised to you\r
\n" ); document.write( "\n" ); document.write( "    - Population growth problems \r
\n" ); document.write( "\n" ); document.write( "    - Radioactive decay problems \r
\n" ); document.write( "\n" ); document.write( "    - Carbon dating problems \r
\n" ); document.write( "\n" ); document.write( "    - Bacteria growth problems \r
\n" ); document.write( "\n" ); document.write( "    - A medication decay in a human's body \r
\n" ); document.write( "\n" ); document.write( "in this site.\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 \"Logarithms\".\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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\n" ); document.write( "\n" ); document.write( "One more notice about your text and your terminology.\r
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\n" ); document.write( "\n" ); document.write( "In your post,  you write\r
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document.write( "    The half-life of a medication is the amount of time for half of the drug to be eliminated from the body. \r\n" );
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\n" ); document.write( "\n" ); document.write( "Actually,  the standard understanding for the half-life is that it is the time for half of the medication  TO  REMAIN  in the body.\r
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\n" ); document.write( "\n" ); document.write( "From the formal point of view,  it is the same,  because the two halves are equal,  but  STILL
\n" ); document.write( "the commonly accepted understanding is half of the material  TO  BE  REMAINED.\r
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\n" ); document.write( "\n" ); document.write( "According to and consistently with this understanding,  this amount is called  \"half-life\",  and is not called  \"half-death\". \r
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