document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=364075>Question 364075</A>: <I><SPAN STYLE=\"word-break: break-all;\"> a boy have 5 coins each of different denominations. How many different sums of money he can form ? Its answer is 31 plz help </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #259687 by </B><A HREF=/tutors/aboutme.mpl?userid=Sphinx+pinastri><B>Sphinx pinastri(17)</B></A><img src=\"/images/stars/stars-06.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=Sphinx+pinastri><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=Sphinx+pinastri><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=259687\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> Let's assume that every combination of coins has different value.<BR>\n" );
document.write( "For instance, coin denominations can be powers of two, or three, etc.<BR>\n" );
document.write( "There are <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=2%5En ALIGN=MIDDLE  ALT=\"2%5En\"   DISABLED_style= \"max-width:90%; height:auto;\" > combinations for <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=n ALIGN=MIDDLE  ALT=\"n\"   DISABLED_style= \"max-width:90%; height:auto;\" > coins, <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=2%5E5=32 ALIGN=MIDDLE  ALT=\"2%5E5=32\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "Probably, the authors of the textbook don't consider 0 a valid sum. </SPAN>\n" );
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