document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=371197>Question 371197</A>: <I><SPAN STYLE=\"word-break: break-all;\"> On a table there are 30 coins. Some are quarters and some are dimes. Their value is $4.05. How many of each coin 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 #264448 by </B><A HREF=/tutors/aboutme.mpl?userid=user_dude2008><B>user_dude2008(1862)</B></A><img src=\"/images/stars/stars-12.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=user_dude2008><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=264448\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> q+d=30 ----> q=30-d<BR>\n" );
document.write( "25q+10d=405<BR>\n" );
document.write( "25(30-d)+10d=405<BR>\n" );
document.write( "750-25d+10d=405<BR>\n" );
document.write( "750-15d=405<BR>\n" );
document.write( "-15d=405-750<BR>\n" );
document.write( "-15d=-345<BR>\n" );
document.write( "d=-345/(-15)<BR>\n" );
document.write( "d=23<BR>\n" );
document.write( "q=30-d=30-23=7\r<BR>\n" );
document.write( "\n" );
document.write( "Answers: 23 dimes, 7 quarters </SPAN>\n" );
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