document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=1127286>Question 1127286</A>: <I><SPAN STYLE=\"word-break: break-all;\"> A jar contains half dollars and quarters there are 30 coins in all the total value of coins is $8.75 how many quarters are in the jar </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #743657 by </B><A HREF=/tutors/aboutme.mpl?userid=addingup><B>addingup(3677)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=addingup><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=addingup><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=743657\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> Let half dollars be d and quarters be q<BR>\n" );
document.write( "d + q = 30 thus, q = 30 - d<BR>\n" );
document.write( "~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~<BR>\n" );
document.write( "0.5d + 0.25q = 8.75 substitute for q:<BR>\n" );
document.write( "0.5d + 0.25(30 - d) = 8.75<BR>\n" );
document.write( "0.5d + 7.5 - 0.25d = 8.75<BR>\n" );
document.write( "0.25d = 1.25<BR>\n" );
document.write( "d = 5 so there are 5 half dollars in the jar<BR>\n" );
document.write( "Therefore, there are 30 - 5 = 25 quarters in the jar<BR>\n" );
document.write( "~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~<BR>\n" );
document.write( "Check:<BR>\n" );
document.write( "25 x 0.25 = 6.25<BR>\n" );
document.write( "5 x 0.5 = 2.5<BR>\n" );
document.write( "-----------------<BR>\n" );
document.write( "Total . . 8.75 Correct<BR>\n" );
document.write( " </SPAN>\n" );
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