document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=192881>Question 192881</A>: <I><SPAN STYLE=\"word-break: break-all;\"> Bill is paid hourly. If he works 8 hours he will receive $50. Write an equation for his salary based on the number of hours he works.. Explain what you did to get your answer.  </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #144767 by </B><A HREF=/tutors/aboutme.mpl?userid=jojo14344><B>jojo14344(1513)</B></A><img src=\"/images/stars/stars-12.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=jojo14344><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=144767\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> <font face=\"Tahoma\" size=1.5><BR>\n" );
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document.write( "Let us make <font color=blue>x</font>= the number of hours Bill works<BR>\n" );
document.write( "And, <font color=blue>y</font>= dollars he received for <font color=blue>x</font> hours he worked.\r<BR>\n" );
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document.write( "Now, if x =8, then  y =50 right?\r<BR>\n" );
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document.write( "We know line Eqn is in the format, Ax + By = C (Std. Form)<BR>\n" );
document.write( "Let <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=system%28A=1%2CB=1%29 ALIGN=MIDDLE  ALT=\"system%28A=1%2CB=1%29\"   DISABLED_style= \"max-width:90%; height:auto;\" >\r<BR>\n" );
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document.write( "Then, <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=%281%29x%2B%281%29y=c ALIGN=MIDDLE  ALT=\"%281%29x%2B%281%29y=c\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "But we know, <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=x=8 ALIGN=MIDDLE  ALT=\"x=8\"   DISABLED_style= \"max-width:90%; height:auto;\" > when <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=y=50 ALIGN=MIDDLE  ALT=\"y=50\"   DISABLED_style= \"max-width:90%; height:auto;\" >.  So our Line Eqn will be:\r<BR>\n" );
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document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=x=y ALIGN=MIDDLE  ALT=\"x=y\"   DISABLED_style= \"max-width:90%; height:auto;\" > plus <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=constant=c ALIGN=MIDDLE  ALT=\"constant=c\"   DISABLED_style= \"max-width:90%; height:auto;\" >\r<BR>\n" );
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document.write( "Either <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=x=y%2Bc ALIGN=MIDDLE  ALT=\"x=y%2Bc\"   DISABLED_style= \"max-width:90%; height:auto;\" ><IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=%28red%28EQN1%29%29 ALIGN=MIDDLE  ALT=\"%28red%28EQN1%29%29\"   DISABLED_style= \"max-width:90%; height:auto;\" > or vice versa <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=y=x%2Bc ALIGN=MIDDLE  ALT=\"y=x%2Bc\"   DISABLED_style= \"max-width:90%; height:auto;\" ><IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=%28red%28EQN2%29%29 ALIGN=MIDDLE  ALT=\"%28red%28EQN2%29%29\"   DISABLED_style= \"max-width:90%; height:auto;\" >.\r<BR>\n" );
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document.write( "Substituting <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=x=8 ALIGN=MIDDLE  ALT=\"x=8\"   DISABLED_style= \"max-width:90%; height:auto;\" > and <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=y=50 ALIGN=MIDDLE  ALT=\"y=50\"   DISABLED_style= \"max-width:90%; height:auto;\" > we can get <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=c ALIGN=MIDDLE  ALT=\"c\"   DISABLED_style= \"max-width:90%; height:auto;\" >: (Use <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=red%28EQN2%29 ALIGN=MIDDLE  ALT=\"red%28EQN2%29\"   DISABLED_style= \"max-width:90%; height:auto;\" >), either eqn will be the same anyway when you substitute the values.\r<BR>\n" );
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document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=highlight%2850%29=highlight%288%29%2Bc ALIGN=MIDDLE  ALT=\"highlight%2850%29=highlight%288%29%2Bc\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=50-8=c ALIGN=MIDDLE  ALT=\"50-8=c\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=red%2842=c%29 ALIGN=MIDDLE  ALT=\"red%2842=c%29\"   DISABLED_style= \"max-width:90%; height:auto;\" >\r<BR>\n" );
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document.write( "It follows ---> y = x + c  ----> <font color=blue>y = x + 42</font>,or <font color=blue>-x + y =42</font>, Std. Form ( Answer )\r<BR>\n" );
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document.write( "As the problem says, if x = 8 hours, then y = $50.<BR>\n" );
document.write( "Just by sustituting:<BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=-highlight%288%29%2Bhighlight%2850%29=42 ALIGN=MIDDLE  ALT=\"-highlight%288%29%2Bhighlight%2850%29=42\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=42=42 ALIGN=MIDDLE  ALT=\"42=42\"   DISABLED_style= \"max-width:90%; height:auto;\" >, good.\r<BR>\n" );
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document.write( "Or seeing the graph,\r<BR>\n" );
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document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=drawing%28500%2C500%2C-6%2C25%2C-10%2C100%2Cgraph%28500%2C500%2C-6%2C25%2C-10%2C100%2Cx%2B42%29%2Cgreen%28arrow%2817%2C60%2C16%2C68%29%29%2Cgreen%28locate%2814%2C72%2C-x%2By=42%29%29%2Cblue%28circle%288%2C50%2C.25%29%29%2Cgreen%28line%288%2C0%2C8%2C50%29%29%2Cgreen%28line%280%2C50%2C8%2C50%29%29%2Cred%28locate%2810%2C-5%2CHOURS%29%29%2Cred%28locate%28-5%2C90%2CDOLLARS%29%29%29 ALIGN=MIDDLE   DISABLED_style= \"max-width:90%; height:auto;\" > ----> You can see, if Bill works 8 hours, he gets $50. The intersection is on our Line Eqn <font color=blue>-x + y = 42</font>. Try 20 hours?\r<BR>\n" );
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document.write( "Thank you,<BR>\n" );
document.write( "Jojo</font> </SPAN>\n" );
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