document.write( "Question 1112943: The number of ways in which the letters \r
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Algebra.Com's Answer #727985 by ikleyn(52781) $\"\"$ $\"About$

You can put this solution on YOUR website!
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\n" ); document.write( "Comment from student: Actually please review your answer its answer is C(25,15)
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\n" ); document.write( "\n" ); document.write( "My response:\r
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document.write( "1.  I don't know whether is it you the author of this text, or somebody else . . . \r\n" );
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document.write( "    Anyway, this style asking a question, which is used in the post, is a BAD STYLE  (in my personal opinion), \r\n" );
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document.write( "    because it demonstrates LACK of consideration / (lack of respect) from who is asking to whom is questioning.\r\n" );
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document.write( "2.  Speaking on the substance, the formulation seems to me to be inaccurate and unprofessional.\r\n" );
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document.write( "    The term \"suffixes\" is definitely irrelevant. What you call \"suffixes\", are actually \"indexes\".\r\n" );
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document.write( "    A professional way to formulate the problem is, for example, this\r\n" );
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document.write( "         Alex has 10 different letters of the English alphabet written in red in pieces of paper, \r\n" );
document.write( "         and 15 different letters of the English alphabet written in black in pieces of paper.\r\n" );
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document.write( "         Alex plays making 25-letter words comprised of these letters by placing them in line in different positions.\r\n" );
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document.write( "         How many different arrangements/words are possible, if all red letters must go in alphabetic order in their respective positions \r\n" );
document.write( "         and all black letters must go in alphabetic order in their respective positions, too.\r\n" );
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\n" ); document.write( "\n" ); document.write( "Then the answer is $\"C%5B25%5D%5E15\"$ (or $\"C%5B25%5D%5E10\"$ , which is the same).\r
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\n" ); document.write( "\n" ); document.write( "So, your comment \"please review your answer\" I'd re-formulate \"please review your post . . . \"\r
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