document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=999199>Question 999199</A>: <I><SPAN STYLE=\"word-break: break-all;\"> You have 2 part time jobs working at a grocery store and at a clothing store. you earn $7.65 per hour at the grocery store and $8.50 per hour at the clothing store for the week , you earn $229.50.<BR>\n" );
document.write( "1) write an equation in standard form that models your earnings. my answer is 7.65X + 8.50Y =229.50<BR>\n" );
document.write( "2) write an equation in slop-intercept form that medels your earnings.<BR>\n" );
document.write( "3) graph the equations that model your earnings. which equation did you use to sketch your graph? </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #616903 by </B><A HREF=/tutors/aboutme.mpl?userid=josgarithmetic><B>josgarithmetic(39617)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=josgarithmetic><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=616903\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> Your answer to #1 is good.  You used X for hours at the grocery store and Y for hours at<BR>\n" );
document.write( "the clothing store.\r<BR>\n" );
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document.write( "#2, slope-intercept form to model the earnings?<BR>\n" );
document.write( "You already have earning modeled using two unknown variables X and Y and that was done<BR>\n" );
document.write( "in standard form.  Earning is based on two variable terms and this is done properly using<BR>\n" );
document.write( "standard form.  Slope intercept form would only isolate one variable for hours or the other.<BR>\n" );
document.write( "You can either solve for X as a function of Y; or solve for Y as a function of X.\r<BR>\n" );
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document.write( "#3, again you could model earnings as a function of X and Y hours.  X and Y remain as unknowns.<BR>\n" );
document.write( "You can start with <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=7.65X%2B8.5Y=229.5 ALIGN=MIDDLE  ALT=\"7.65X%2B8.5Y=229.5\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=8.5Y=-7.65X%2B229.5 ALIGN=MIDDLE  ALT=\"8.5Y=-7.65X%2B229.5\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=Y=-%287.65%2F8.5%29X%2B229.5%2F7.65 ALIGN=MIDDLE  ALT=\"Y=-%287.65%2F8.5%29X%2B229.5%2F7.65\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=highlight%28Y=-0.9X%2B30%29 ALIGN=MIDDLE  ALT=\"highlight%28Y=-0.9X%2B30%29\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "This will give number of grocery HOURS on the x-axis and corresponding number of clothing store HOURS<BR>\n" );
document.write( "on the y-axis.  The fact MUST be specified this is for earning of  $229.5 in a week, and at the specified<BR>\n" );
document.write( "wage rates.\r<BR>\n" );
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document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=graph%28400%2C400%2C-2%2C35%2C-2%2C35%2C-0.9x%2B30%29 ALIGN=MIDDLE  ALT=\"graph%28400%2C400%2C-2%2C35%2C-2%2C35%2C-0.9x%2B30%29\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( " </SPAN>\n" );
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