document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=1159610>Question 1159610</A>: <I><SPAN STYLE=\"word-break: break-all;\"> Starbucks originated in Seattle Washington as a coffee  shop. In 2010, there were 10,084 stores<BR>\n" );
document.write( "worldwide. By 2014, this had grown to 10,884.\r<BR>\n" );
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document.write( "a. Find a linear equation that fits the data x years after 2010.\r<BR>\n" );
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document.write( "b. Use the linear equation to predict the number of Starbucks in 2020.\r<BR>\n" );
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document.write( "c. In what year is Starbucks predicted to have 18,627 shops worldwide? </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #782711 by </B><A HREF=/tutors/aboutme.mpl?userid=Boreal><B>Boreal(15235)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=Boreal><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=Boreal><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=782711\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> (0, 10084) is the ordered pair for 2010<BR>\n" );
document.write( "(4, 10884) is it for 2014<BR>\n" );
document.write( "the slope is 800/4=200<BR>\n" );
document.write( "point slope formula y-y1=m(x-x1) (x1, y1) point<BR>\n" );
document.write( "y-10084=200(x)<BR>\n" );
document.write( "y=200x+10084, x is years after 2010.\r<BR>\n" );
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document.write( "in 2020, x=10, y=2000+10084 or 12084 stores in 2020.\r<BR>\n" );
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document.write( "18627=200x+10084<BR>\n" );
document.write( "8543=200x<BR>\n" );
document.write( "x=42.715 years after 2010 or about mid to late-2053 (42 years and 8.5 months) </SPAN>\n" );
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