document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=714731>Question 714731</A>: <I><SPAN STYLE=\"word-break: break-all;\"> A sum of 8550<BR>\n" );
document.write( "is to be paid in 15 installments where each installment is 10'more than the previous installments. Find the first installment and the last installment. </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #438950 by </B><A HREF=/tutors/aboutme.mpl?userid=DrBeeee><B>DrBeeee(684)</B></A><img src=\"/images/stars/stars-11.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=DrBeeee><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=438950\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> Let x = the first payment.<BR>\n" );
document.write( "The sequence of 15 payments is<BR>\n" );
document.write( "(1) x, x+10, x+20, x+30, ... , x+140<BR>\n" );
document.write( "The sum of these 15 payments is<BR>\n" );
document.write( "(2) 15x + 10*(14*15/2) or<BR>\n" );
document.write( "(3) 15x + 1050<BR>\n" );
document.write( "Now set (3) equal to the total sum to be made and get<BR>\n" );
document.write( "(4) 15x + 1050 = 8550 or<BR>\n" );
document.write( "(5) 15x = 7500 or<BR>\n" );
document.write( "(6) x = 500<BR>\n" );
document.write( "The last payment in (1) is x + 140 or<BR>\n" );
document.write( "(7) 15th = 640<BR>\n" );
document.write( "Answer: The first payment is $500 and the last payment is $640.<BR>\n" );
document.write( "I'll leave it to you to add up the sequence of (1) to \"prove\" that our answer is right. LOL\r<BR>\n" );
document.write( "\n" );
document.write( " </SPAN>\n" );
document.write( "</TD></TR></TABLE>\n" );