document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=236052>Question 236052</A>: <I><SPAN STYLE=\"word-break: break-all;\"> A student makes a $10.25 purchase at the bookstore with a $20 bill. The store has no bills and gives the change in quarters and fifty-cent pieces. there are 30 coins in all. how many of each kind are there? </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #173812 by </B><A HREF=/tutors/aboutme.mpl?userid=checkley77><B>checkley77(12844)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=checkley77><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/images/nopicture.jpg><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=173812\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> Q+H=30 OR Q=30-H<BR>\n" );
document.write( ".25Q+.50H=20-10.25<BR>\n" );
document.write( ".25(30-H)+.50H=9.75<BR>\n" );
document.write( "7.5-.25H+.50H=9.75<BR>\n" );
document.write( ".25H=9.75-7.50<BR>\n" );
document.write( ".25H=2.25<BR>\n" );
document.write( "H=2.25/.25<BR>\n" );
document.write( "H=9 HALF DOLLARS WERE PART OF THE CHANGE.<BR>\n" );
document.write( "Q=30-9=21 QUARTERS WERE PART OF THE CHANGE.<BR>\n" );
document.write( "PROOF:<BR>\n" );
document.write( ".25*21+.50*9=9.75<BR>\n" );
document.write( "5.25+4.50=9.75<BR>\n" );
document.write( "9.75=9.75<BR>\n" );
document.write( " </SPAN>\n" );
document.write( "</TD></TR></TABLE>\n" );