document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=373120>Question 373120</A>: <I><SPAN STYLE=\"word-break: break-all;\"> Your piggy bank contains $19.75 in dimes and quarters. There are 100 coins in all. How many dimes are there?\r<BR>\n" );
document.write( "\n" );
document.write( " </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #265650 by </B><A HREF=/tutors/aboutme.mpl?userid=CharlesG2><B>CharlesG2(834)</B></A><img src=\"/images/stars/stars-11.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=CharlesG2><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=265650\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> Your piggy bank contains $19.75 in dimes and quarters. There are 100 coins in all. How many dimes are there?\r<BR>\n" );
document.write( "<BR>\n" );
document.write( "\n" );
document.write( "D = number of dimes, Q = number of quarters<BR>\n" );
document.write( "D + Q = 100<BR>\n" );
document.write( "0.10D + 0.25Q = 19.75 or 10D + 25Q = 1975\r<BR>\n" );
document.write( "<BR>\n" );
document.write( "\n" );
document.write( "D = 100 - Q<BR>\n" );
document.write( "10(100 - Q) + 25Q = 1975<BR>\n" );
document.write( "1000 - 10Q + 25Q = 1975<BR>\n" );
document.write( "-10Q + 25Q = 975<BR>\n" );
document.write( "15Q = 975<BR>\n" );
document.write( "Q = 65 quarters<BR>\n" );
document.write( "D = 100 - 65 = 35 dimes<BR>\n" );
document.write( "check: 10(35) + 25(65) = 350 + 1625 = 1975\r<BR>\n" );
document.write( "<BR>\n" );
document.write( "\n" );
document.write( " </SPAN>\n" );
document.write( "</TD></TR></TABLE>\n" );