document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=1170217>Question 1170217</A>: <I><SPAN STYLE=\"word-break: break-all;\"> Your friend wants to send you books. The shipping fee via US Priority Mail includes a $10 insurance fee and $2 per book. Write an equation in slope-intercept form that represents this situation. (Hint: Identify Slope and the \"b\" value\"). Also, write what the x and y variables represent. * </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #851240 by </B><A HREF=/tutors/aboutme.mpl?userid=CPhill><B>CPhill(1959)</B></A><img src=\"/images/stars/stars-12.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=CPhill><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=CPhill><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=851240\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> Let's break down this problem step by step:\r<BR>\n" );
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document.write( "**1. Identify Variables**\r<BR>\n" );
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document.write( "* **x:** The number of books your friend sends.<BR>\n" );
document.write( "* **y:** The total shipping fee (in dollars).\r<BR>\n" );
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document.write( "**2. Identify the Slope**\r<BR>\n" );
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document.write( "* The slope represents the rate of change of the shipping fee per book.<BR>\n" );
document.write( "* In this case, the shipping fee increases by $2 for each book.<BR>\n" );
document.write( "* Therefore, the slope (m) is 2.\r<BR>\n" );
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document.write( "**3. Identify the y-intercept (b)**\r<BR>\n" );
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document.write( "* The y-intercept represents the shipping fee when no books are sent (x = 0).<BR>\n" );
document.write( "* Even if no books are sent, there's a $10 insurance fee.<BR>\n" );
document.write( "* Therefore, the y-intercept (b) is 10.\r<BR>\n" );
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document.write( "**4. Write the Equation in Slope-Intercept Form**\r<BR>\n" );
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document.write( "* The slope-intercept form of a linear equation is y = mx + b.<BR>\n" );
document.write( "* Substitute the values we found for m and b:<BR>\n" );
document.write( "    * y = 2x + 10\r<BR>\n" );
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document.write( "**Summary**\r<BR>\n" );
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document.write( "* **Equation:** y = 2x + 10<BR>\n" );
document.write( "* **x:** Number of books<BR>\n" );
document.write( "* **y:** Total shipping fee (in dollars)<BR>\n" );
document.write( " </SPAN>\n" );
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