document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=643565>Question 643565</A>: <I><SPAN STYLE=\"word-break: break-all;\"> Adriana has $15.00 in dimes and quarters.<BR>\n" );
document.write( "a. Name 3 ordered pairs (d,q) of dimes and quarters she might have.<BR>\n" );
document.write( "b. Do these points lie on the same line? </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #404552 by </B><A HREF=/tutors/aboutme.mpl?userid=htmentor><B>htmentor(1343)</B></A><img src=\"/images/stars/stars-12.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=htmentor><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=htmentor><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=404552\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> Adriana has $15.00 in dimes and quarters.<BR>\n" );
document.write( "a. Name 3 ordered pairs (d,q) of dimes and quarters she might have.<BR>\n" );
document.write( "b. Do these points lie on the same line?<BR>\n" );
document.write( "=======================<BR>\n" );
document.write( "a.<BR>\n" );
document.write( "If q=10, d=(1500-25*10)/10=125 (125,10)<BR>\n" );
document.write( "If q=30, d=(1500-25*30)/10=75   (75,30)<BR>\n" );
document.write( "If q=50, d=(1500-25*50)/10=25   (25,50)<BR>\n" );
document.write( "b. Yes.  We can write an equation for the line.  <BR>\n" );
document.write( "Since the total amount is 1500, and dimes are worth 10 and quarters are worth 25, we have<BR>\n" );
document.write( "10d + 25q = 1500<BR>\n" );
document.write( "Solve for q:<BR>\n" );
document.write( "q = (1500-10d)/25 = 60 - 0.4d </SPAN>\n" );
document.write( "</TD></TR></TABLE>\n" );