document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=702397>Question 702397</A>: <I><SPAN STYLE=\"word-break: break-all;\"> Can you help me with this question it says:<BR>\n" );
document.write( "At the beginning of the summer, Sarah has $250. She takes a summer job and saves $150 per weeek. Felicia has $1,650 at the beginning of the summer. She travels during the summer and spends $200 per week. Can you write an equation that represents the amount of money Sarah has at the end of each week and for Felicia. Grapgh the two equation and do they have the same amount of money at the end of a specific week? </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #432958 by </B><A HREF=/tutors/aboutme.mpl?userid=solver91311><B>solver91311(24713)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=solver91311><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=solver91311><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=432958\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> <font face=\"Times New Roman\" size=\"+2\">\r<BR>\n" );
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document.write( "Let <IMG STYLE=\"max-width:80%;\" SRC=\"/cgi-bin/rendertex.cgi?\LARGE S\"> be the Sarah function and <IMG STYLE=\"max-width:80%;\" SRC=\"/cgi-bin/rendertex.cgi?\LARGE F\"> be the Felicia function. Then let <IMG STYLE=\"max-width:80%;\" SRC=\"/cgi-bin/rendertex.cgi?\LARGE x\"> represent the number of weeks after the beginning of summer.\r<BR>\n" );
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document.write( "The <IMG STYLE=\"max-width:80%;\" SRC=\"/cgi-bin/rendertex.cgi?\LARGE S(x)\"> is the amount of money Sarah has after <IMG STYLE=\"max-width:80%;\" SRC=\"/cgi-bin/rendertex.cgi?\LARGE x\"> weeks.  Since she starts with $250 and <i>increases</i> $150 each week, we can write:\r<BR>\n" );
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document.write( "<IMG STYLE=\"max-width:80%;\" SRC=\"/cgi-bin/rendertex.cgi?\LARGE \ \ \ \ \ \ \ \ \ \ S(x)\ =\ 250\ +\ 150x\">\r<BR>\n" );
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document.write( "Likewise, for Felicia (but this time reducing the amount each week):\r<BR>\n" );
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document.write( "<IMG STYLE=\"max-width:80%;\" SRC=\"/cgi-bin/rendertex.cgi?\LARGE \ \ \ \ \ \ \ \ \ \ F(x)\ =\ 1650\ -\ 200x\">\r<BR>\n" );
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document.write( "Draw your grid so that you have 1 week increments horizontally and either $50 or $100 increments vertically (otherwise you'll need a scroll as long as Santa's naughty list to get it all on one piece of paper).\r<BR>\n" );
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document.write( "Pick a small value for <IMG STYLE=\"max-width:80%;\" SRC=\"/cgi-bin/rendertex.cgi?\LARGE x\">, substitute into the Sarah function.  Do the arithmetic to calculate the value of the function, then create an ordered pair, <IMG STYLE=\"max-width:80%;\" SRC=\"/cgi-bin/rendertex.cgi?\LARGE (x,S(x))\">.  Plot the point.  Repeat with a new value of <IMG STYLE=\"max-width:80%;\" SRC=\"/cgi-bin/rendertex.cgi?\LARGE x\">.  Draw a line through your two points.\r<BR>\n" );
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document.write( "Repeat the whole process with <IMG STYLE=\"max-width:80%;\" SRC=\"/cgi-bin/rendertex.cgi?\LARGE F(x)\">.\r<BR>\n" );
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document.write( "If the two lines intersect, then the ordered pair that describes the intersection point gives you the week number after which the bank accounts will be equal and the value of each of the accounts at that time.\r<BR>\n" );
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document.write( "John<BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=\"/cgi-bin/rendertex.cgi?\LARGE e^{i\pi}\ +\ 1\ =\ 0\"><BR>\n" );
document.write( "<font face=\"Math1\" size=\"+2\">Egw to Beta kai to Sigma</font><BR>\n" );
document.write( "My calculator said it, I believe it, that settles it<BR>\n" );
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