document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=1134991>Question 1134991</A>: <I><SPAN STYLE=\"word-break: break-all;\"> Suppose you were given $700 from your uncle.  You deposited that money in a  bank and added $75 per month.\r<BR>\n" );
document.write( "\n" );
document.write( "Write an equation to model how much money you have deposited after \"m\" months.  Let \"s\" be the amount you have deposited._______\r<BR>\n" );
document.write( "<BR>\n" );
document.write( "\n" );
document.write( "What equation would you solve to figure out how many months it would take to save $10,000?_____________\r<BR>\n" );
document.write( "\n" );
document.write( "How many months would it take to save $10,000?_________<BR>\n" );
document.write( " </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #752529 by </B><A HREF=/tutors/aboutme.mpl?userid=math_helper><B>math_helper(2461)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=math_helper><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=math_helper><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=752529\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> You start with 700, so  at m=0, s=700 (or s(0) = 700  in functional notation).<br>\r<BR>\n" );
document.write( "\n" );
document.write( "After 1 month, you will have added $75, so  s(1) = 700+75 = 775<BR>\n" );
document.write( "After 2 months, you will have added 2*$75 so s(2) = 700+2*75 = 850<BR>\n" );
document.write( "...\r<BR>\n" );
document.write( "\n" );
document.write( "After m months, you will have added m*$75 so s(m) = 700+m*75 or, writing 75m instead of 75*m:  <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=highlight%28+s%28m%29+=+700%2B75m%29+ ALIGN=MIDDLE  ALT=\"highlight%28+s%28m%29+=+700%2B75m%29+\"   DISABLED_style= \"max-width:90%; height:auto;\" ><br>\r<BR>\n" );
document.write( "\n" );
document.write( "(This whole discussion assumes no interest is accumulating)<br>\r<BR>\n" );
document.write( "\n" );
document.write( "To figure out how many months it would take to save $10000, set s(m) to 10000 and solve for m:  <BR>\n" );
document.write( " <BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=+highlight%28700%2B75m+=+10000%29+ ALIGN=MIDDLE  ALT=\"+highlight%28700%2B75m+=+10000%29+\"   DISABLED_style= \"max-width:90%; height:auto;\" >\r<BR>\n" );
document.write( "\n" );
document.write( "m = (10000 - 700)/75 = __________     you can do the arithmetic\r<BR>\n" );
document.write( "<BR>\n" );
document.write( "\n" );
document.write( "  </SPAN>\n" );
document.write( "</TD></TR></TABLE>\n" );