document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=1144875>Question 1144875</A>: <I><SPAN STYLE=\"word-break: break-all;\"> What is the check digit (d) for the UPC bar code number 5-11320-36217-d?\r<BR>\n" );
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document.write( "A. 0\r<BR>\n" );
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document.write( "B. 7\r<BR>\n" );
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document.write( "C. 8\r<BR>\n" );
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document.write( "D. 9\r<BR>\n" );
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document.write( "Is D correct?\r<BR>\n" );
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document.write( "The question and the answer choices in the link here: https://prnt.sc/p48q0g </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #766086 by </B><A HREF=/tutors/aboutme.mpl?userid=math_helper><B>math_helper(2461)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=math_helper><IMG SRC=http://www.algebra.com/images/aboutme-small.gif BORDER=0 alt=\"About Me\" VALIGN=MIDDLE></A>&nbsp;<IMG SRC=http://www.algebra.com/cgi-bin/show-face.mpl?user=math_helper><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=766086\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> <BR>\n" );
document.write( "I also got 9\r<BR>\n" );
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document.write( "I followed the procedure outlined on Wikipedia (add odd digits, multiply by 3, then add even digits, take result mod 10, if this value is nonzero, subtract from 10, otherwise use 0):\r<BR>\n" );
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document.write( "Details:<BR>\n" );
document.write( "5+1+2+3+2+7 = 20<BR>\n" );
document.write( "20 * 3 = 60<BR>\n" );
document.write( "60 + (1+3+0+6+1) = 71\r<BR>\n" );
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document.write( "71 mod 10 = 1 ---> nonzero so check bit is 10-1 = 9   <BR>\n" );
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