document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=1006902>Question 1006902</A>: <I><SPAN STYLE=\"word-break: break-all;\"> Heather is collecting dimes. She saves 2 dimes the 1st day, 4 dimes the 2nd day and 6 dimes the 3rd day. If this pattern continues, how much money will she have at the end of 30 days?\r<BR>\n" );
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document.write( "* please include the algebraic form, so I conceptually understand the problem. Thanks! </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #805348 by </B><A HREF=/tutors/aboutme.mpl?userid=CubeyThePenguin><B>CubeyThePenguin(3113)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=CubeyThePenguin><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=CubeyThePenguin><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=805348\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> On the nth day, Heather saves 2n dimes. In n days, she has a total of:\r<BR>\n" );
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document.write( "2 + 4 + ... + 2n<BR>\n" );
document.write( "= 2(1 + 2 + ... + n)<BR>\n" );
document.write( "= <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=2+%2A+%28%28n%29%28n%2B1%29%29%2F2 ALIGN=MIDDLE  ALT=\"2+%2A+%28%28n%29%28n%2B1%29%29%2F2\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "= n(n+1) dimes.\r<BR>\n" );
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document.write( "We want to know how much money she has at the end of 30 days, so use n = 30.\r<BR>\n" );
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document.write( "# of dimes = 30(31) = 930<BR>\n" );
document.write( "amount of money = $9.30 </SPAN>\n" );
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