document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=969906>Question 969906</A>: <I><SPAN STYLE=\"word-break: break-all;\"> Parker has quarters and dimes in his piggy bank. He has 4 more dimes than quarters, and he has a total of $7.05 in his bank. How many dimes and quarters does Parker have? \r<BR>\n" );
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document.write( "I have tried to help my son with this problem, but I am not sure how to figure this one out. </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #592627 by </B><A HREF=/tutors/aboutme.mpl?userid=josgarithmetic><B>josgarithmetic(39628)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=josgarithmetic><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=592627\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> Assign variables to the count of each coin:<BR>\n" );
document.write( "q, quarters<BR>\n" );
document.write( "d, dimes\r<BR>\n" );
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document.write( "Make equations from the description:<BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=system%28d-q=4%2C0.1d%2B0.25q=7.05%29 ALIGN=MIDDLE  ALT=\"system%28d-q=4%2C0.1d%2B0.25q=7.05%29\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
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document.write( "The first equation is for the description between dimes and quarters.  The second equation is accounting for amount of money.  Notice  one-tenth a dollar per one dime, and quarter of a dollar per \"quarter\".\r<BR>\n" );
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document.write( "The money count equation should be simplified before continuing to process the system.<BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=d%2F10%2Bq%2F4=7.05 ALIGN=MIDDLE  ALT=\"d%2F10%2Bq%2F4=7.05\"   DISABLED_style= \"max-width:90%; height:auto;\" >, if you know those common fraction equivalents.<BR>\n" );
document.write( "LCD is 20, hopefully understood from earlier learned skills and knowledge;<BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=%28d%2F10%2Bq%2F4%29%2A20=%287.05%2920 ALIGN=MIDDLE  ALT=\"%28d%2F10%2Bq%2F4%29%2A20=%287.05%2920\"   DISABLED_style= \"max-width:90%; height:auto;\" >---multiply left and right members by 20.<BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=2d%2B5q=141 ALIGN=MIDDLE  ALT=\"2d%2B5q=141\"   DISABLED_style= \"max-width:90%; height:auto;\" >\r<BR>\n" );
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document.write( "Revise the system of equations:<BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=highlight_green%28system%28d-q=4%2C2d%2B5q=141%29%29 ALIGN=MIDDLE  ALT=\"highlight_green%28system%28d-q=4%2C2d%2B5q=141%29%29\"   DISABLED_style= \"max-width:90%; height:auto;\" >\r<BR>\n" );
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document.write( "Your son should know what to do from that.  Choice of method either is substitution, or Elimination.  Elimination may be easiest at least part-way, if he knows it yet. </SPAN>\n" );
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