document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=549089>Question 549089</A>: <I><SPAN STYLE=\"word-break: break-all;\"> Jane has a balance of $175 in her savings account after 7 weeks.  At the end of 15 weeks her balance is $375.  Assume that she put the same amount into the account every week and will continue to do so.  I need help writting an equation. </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #357457 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=357457\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> Jane has a balance of $175 in her savings account after 7 weeks. At the end of 15 weeks her balance is $375. Assume that she put the same amount into the account every week and will continue to do so. I need help writing an equation.<BR>\n" );
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document.write( "You have two points: (7,175) and (15,375)<BR>\n" );
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document.write( "Slope = (375-175)/8 = 200/8 = 25 (amt. she added each week)<BR>\n" );
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document.write( "y = mx + b<BR>\n" );
document.write( "Solve for \"b\":<BR>\n" );
document.write( "175 = 25*7 + b<BR>\n" );
document.write( "b = 0<BR>\n" );
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document.write( "y = 25x is the equation<BR>\n" );
document.write( "Cheers,<BR>\n" );
document.write( "Stan H.<BR>\n" );
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document.write( " </SPAN>\n" );
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