document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=193422>Question 193422</A>This question is from textbook <A HREF=http://www.amazon.com/exec/obidos/ASIN/0395771188/algebrahomeworkh>Algebra and Trignometry</A><BR>\n" );
document.write( ": <I><SPAN STYLE=\"word-break: break-all;\"> the problem that i need help on states: Sebastian has a test that has 20 questions on it. The first question is worth one point, and each question after the first is worth four points more than the question before it. What is the maximum score Sebastian can obtain? Please help asap! </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #145208 by </B><A HREF=/tutors/aboutme.mpl?userid=stanbon><B>stanbon(75887)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=stanbon><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=145208\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> Sebastian has a test that has 20 questions on it. The first question is worth one point, and each question after the first is worth four points more than the question before it. What is the maximum score <BR>\n" );
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document.write( "It is an arithmetic series:<BR>\n" );
document.write( "Formulas<BR>\n" );
document.write( "S(n) = (n/2)(a+l) ; a is the 1st term and l is the last<BR>\n" );
document.write( "a(n) = a(1) + (n-1)d<BR>\n" );
document.write( "a(20) = 1 + 19*4 = 77<BR>\n" );
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document.write( "S(20) = (20/2)(1 + 77) = 10*78 = 780<BR>\n" );
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document.write( "Cheers,<BR>\n" );
document.write( "Stan H. </SPAN>\n" );
document.write( "</TD></TR></TABLE>\n" );