document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=1201833>Question 1201833</A>: <I><SPAN STYLE=\"word-break: break-all;\"> Introduce variables and write two equations<BR>\n" );
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document.write( "A collection of dimes and quarters is worth $15.25. There are 103 coins in total. How many of each kind of coin is there? </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #836361 by </B><A HREF=/tutors/aboutme.mpl?userid=ikleyn><B>ikleyn(52756)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=ikleyn><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=ikleyn><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=836361\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> .<BR>\n" );
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document.write( "Let x be the number of dimes and y be the number of quarters.\r\n" );
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document.write( "Write equations as you read the problem\r\n" );
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document.write( "     x +   y =  103    (the total number of coins)\r\n" );
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document.write( "    5x + 25y = 1525    (total number of cents).\r\n" );
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document.write( "At this point, the assignment is completed.\r<BR>\n" );
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document.write( "Since you do not ask solve equations, I do not solve them.\r<BR>\n" );
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document.write( "Regarding writing equations, there are two approaches among the teachers.\r<BR>\n" );
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document.write( "One part of teachers presents it to pupils as some miracle, which requires <BR>\n" );
document.write( "extraordinary intellectual efforts.\r<BR>\n" );
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document.write( "The other part of teachers presents it as a routine exercise, saying \"write equations as you read the problem\".\r<BR>\n" );
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document.write( "Both approaches have equal rights to exist, but my personal opinion<BR>\n" );
document.write( "is that after considering 1-2-3-5 problems as a miracle<BR>\n" );
document.write( "a student should later move to the second view and consider it as a routine.\r<BR>\n" );
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document.write( "In 98% cases, school Math problems setup is really routine, as in this problem;<BR>\n" );
document.write( "but in 2% of cases, it may really require some intellectual efforts.\r<BR>\n" );
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