document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=857916>Question 857916</A>: <I><SPAN STYLE=\"word-break: break-all;\"> 10. Marcos had 15 coins in nickels and quarters. He had 3 more quarters than nickels. He <BR>\n" );
document.write( "wrote a system of equations to represent this situation, letting x represent the number of <BR>\n" );
document.write( "nickels and y represent the number of quarters. Then he solved the system by graphing. <BR>\n" );
document.write( "What is the solution? <BR>\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 #516919 by </B><A HREF=/tutors/aboutme.mpl?userid=JulietG><B>JulietG(1812)</B></A><img src=\"/images/stars/stars-12.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=JulietG><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=JulietG><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=516919\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> Y + X = 15 [Marcos had 15 coins in nickels and quarters.]<BR>\n" );
document.write( "Y = X + 3 [He had 3 more quarters than nickels.]<BR>\n" );
document.write( "Substitute the value of X in the second equation into the first.<BR>\n" );
document.write( "(X+3) + X = 15<BR>\n" );
document.write( "2X + 3 = 15<BR>\n" );
document.write( "2X = 12<BR>\n" );
document.write( "X = 6<BR>\n" );
document.write( ".<BR>\n" );
document.write( "If X is 6, then Y is 9. </SPAN>\n" );
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