document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=105150>Question 105150</A>: <I><SPAN STYLE=\"word-break: break-all;\"> Your piggy bank has 25 coins in it; some are quarters and some are nickels. You have $3.45. How many nickels do you have? (I know you can figure this out by trial and error, but you must write the equations and solve.) </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #76511 by </B><A HREF=/tutors/aboutme.mpl?userid=Fombitz><B>Fombitz(32388)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=Fombitz><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=Fombitz><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=76511\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> \"Your piggy bank has 25 coins in it; some are quarters and some are nickels.\"<BR>\n" );
document.write( "First name your variables. <BR>\n" );
document.write( "Q-quarters<BR>\n" );
document.write( "N-nickels<BR>\n" );
document.write( "1.<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=Q%2BN=25 ALIGN=MIDDLE  ALT=\"Q%2BN=25\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "Each quarter has a value of $0.25.<BR>\n" );
document.write( "Each nickel has a value of $0.05.<BR>\n" );
document.write( "\"You have $3.45.\"<BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=0.25%2AQ%2B0.05%2AN=3.45 ALIGN=MIDDLE  ALT=\"0.25%2AQ%2B0.05%2AN=3.45\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "2.<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=25Q%2B5N=345 ALIGN=MIDDLE  ALT=\"25Q%2B5N=345\"   DISABLED_style= \"max-width:90%; height:auto;\" > Multiply both sides by 100 to get rid of the decimals. <BR>\n" );
document.write( "Use equation 1 and come up with an expression for Q and use it in 2. <BR>\n" );
document.write( "1.<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=Q%2BN=25 ALIGN=MIDDLE  ALT=\"Q%2BN=25\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=Q%2BN-N=25-N ALIGN=MIDDLE  ALT=\"Q%2BN-N=25-N\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=Q=25-N ALIGN=MIDDLE  ALT=\"Q=25-N\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "Now substitute into 2. <BR>\n" );
document.write( "2.<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=25Q%2B5N=345 ALIGN=MIDDLE  ALT=\"25Q%2B5N=345\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=25%2825-N%29%2B5N=345 ALIGN=MIDDLE  ALT=\"25%2825-N%29%2B5N=345\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=625-25N%2B5N=345 ALIGN=MIDDLE  ALT=\"625-25N%2B5N=345\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=625-625-20N=345-625 ALIGN=MIDDLE  ALT=\"625-625-20N=345-625\"   DISABLED_style= \"max-width:90%; height:auto;\" > Use the additive inverse of 625. <BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=-20N=-280 ALIGN=MIDDLE  ALT=\"-20N=-280\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=-20N%2F%28-20%29=-280%2F%28-20%29 ALIGN=MIDDLE  ALT=\"-20N%2F%28-20%29=-280%2F%28-20%29\"   DISABLED_style= \"max-width:90%; height:auto;\" > Use the multiplicative inverse of (-20). <BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=N=14 ALIGN=MIDDLE  ALT=\"N=14\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=Q=25-N ALIGN=MIDDLE  ALT=\"Q=25-N\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=Q=25-14 ALIGN=MIDDLE  ALT=\"Q=25-14\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=Q=11 ALIGN=MIDDLE  ALT=\"Q=11\"   DISABLED_style= \"max-width:90%; height:auto;\" > <BR>\n" );
document.write( "Check your answer<BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=25Q%2B5N=345 ALIGN=MIDDLE  ALT=\"25Q%2B5N=345\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=25%2811%29%2B5%2814%29=345 ALIGN=MIDDLE  ALT=\"25%2811%29%2B5%2814%29=345\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=275%2B70=345 ALIGN=MIDDLE  ALT=\"275%2B70=345\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=345=345 ALIGN=MIDDLE  ALT=\"345=345\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "Good answer. <BR>\n" );
document.write( "11 quarters and 14 nickels in the piggy bank. </SPAN>\n" );
document.write( "</TD></TR></TABLE>\n" );