document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=283875>Question 283875</A>: <I><SPAN STYLE=\"word-break: break-all;\"> I am having trouble figuring out this math problem. I dont want the answer only how to solve it. 1.James’ Burger and Shakes first opened in 1950 selling hamburgers for $0.25. In 2010, the price of a burger was now $3.25.<BR>\n" );
document.write( "a.On average, how much did the price of a burger increase per year? Show work to receive credit. \r<BR>\n" );
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document.write( "The answer for this one I have already figured out 5 cents increase per year\r<BR>\n" );
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document.write( "b.Let x represent the number of years after 1950 (e.g. for 1951 then x = 1). What is the cost y of a hamburger when x = 0? THIS ONE I DONT KNOW WHAT FORMULA TO USE TO FIGURE IT OUT....<BR>\n" );
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document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #206025 by </B><A HREF=/tutors/aboutme.mpl?userid=richwmiller><B>richwmiller(17219)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=richwmiller><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=richwmiller><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=206025\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> You are going to write an equation for a straight line <BR>\n" );
document.write( "with the year as x and the cost as y<BR>\n" );
document.write( "x=year-1950<BR>\n" );
document.write( "1950+x, y=.25<BR>\n" );
document.write( "2010+x y=3.25 <BR>\n" );
document.write( "x=2010-1950=60 years since 1950<BR>\n" );
document.write( "325-25=300<BR>\n" );
document.write( "300/60=.05 cents per year<BR>\n" );
document.write( "when x=0 the year is 1950 so the hamburger cost .25<BR>\n" );
document.write( "y=.25+.05x your formula not really needed but it works\r<BR>\n" );
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document.write( "y= cost x=years since 1950<BR>\n" );
document.write( "plug in 60 for x and find y=3.25<BR>\n" );
document.write( "plug in 0 for x and get .25 for y\r<BR>\n" );
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