document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=678325>Question 678325</A>: <I><SPAN STYLE=\"word-break: break-all;\"> You earn $20 an hour mowing lawns and $10 an hour washing windows. You want to make $500 in one week. If x is the number of hours you mow lawns and y is the number of hours you wash windows, answer the following questions:\r<BR>\n" );
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document.write( "A. What is the equation that represents this situation?\r<BR>\n" );
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document.write( "B. What are the intercepts?\r<BR>\n" );
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document.write( "C. What do the intercepts mean in this situation?\r<BR>\n" );
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document.write( "D. Graph the situation. Label the axes.\r<BR>\n" );
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document.write( "E. If you work 30 hours washing windows, how many hours do you have to mow lawns </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #421406 by </B><A HREF=/tutors/aboutme.mpl?userid=ReadingBoosters><B>ReadingBoosters(3246)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=ReadingBoosters><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=421406\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> A. 20x + 10y = 500<BR>\n" );
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document.write( "B. 10y = -20x + 500<BR>\n" );
document.write( "y = <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=%28-20%2F10%29x+%2B+500%2F10 ALIGN=MIDDLE  ALT=\"%28-20%2F10%29x+%2B+500%2F10\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "y = -2x + 50<BR>\n" );
document.write( "y intercept is 50<BR>\n" );
document.write( "x intercept is where y = 0<BR>\n" );
document.write( "0 =-2x+50<BR>\n" );
document.write( "-50=-2x<BR>\n" );
document.write( "x = 25<BR>\n" );
document.write( "x intercept is 25<BR>\n" );
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document.write( "C.  The intercepts indicate how many hours must be worked on one job without working any hours on the other job.<BR>\n" );
document.write( "y intercept of 50 means, 50 hours of y, washing windows, with 0 hours of mowing.<BR>\n" );
document.write( "x intercept of 25 means, 25 hours of x, mowing, with 0 hours of washing windows<BR>\n" );
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document.write( "D. <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=graph%28300%2C200%2C-5%2C30%2C-5%2C55%2C-2x%2B50%29 ALIGN=MIDDLE  ALT=\"graph%28300%2C200%2C-5%2C30%2C-5%2C55%2C-2x%2B50%29\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
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document.write( "E. If y = 30, then x = ?<BR>\n" );
document.write( "30 = -2x+50<BR>\n" );
document.write( "2x = 50-30<BR>\n" );
document.write( "2x = 20<BR>\n" );
document.write( "x = 10 hours mowing<BR>\n" );
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