document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=1123693>Question 1123693</A>: <I><SPAN STYLE=\"word-break: break-all;\"> The equation y = 12x describes the amount of money Louis earns, where x is the number of hours he works<BR>\n" );
document.write( "and y is the amount of money he earns.<BR>\n" );
document.write( "The table shows the amount of money Carl earns for different numbers of hours worked.<BR>\n" );
document.write( "Carl’s Earnings<BR>\n" );
document.write( "Time (h) 3 5 8 10<BR>\n" );
document.write( "Money earned<BR>\n" );
document.write( "($) 45 75 120 150<BR>\n" );
document.write( "(a) How much money does Carl earn per hour? Show your work.<BR>\n" );
document.write( "(b) Who earns more per hour? Justify your answer.<BR>\n" );
document.write( "(c) Draw a graph that represents Carl’s earnings over time in hours. Remember to label the axes, I need help please, and thank you </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #740055 by </B><A HREF=/tutors/aboutme.mpl?userid=josgarithmetic><B>josgarithmetic(39617)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=josgarithmetic><IMG SRC=http://www.algebra.com/images/aboutme-small.gif BORDER=0 alt=\"About Me\" VALIGN=MIDDLE></A>&nbsp;<IMG SRC=http://www.algebra.com/images/nopicture.jpg><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=740055\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> ---<BR>\n" );
document.write( "Carl’s Earnings<BR>\n" );
document.write( "Time (h) 3 5 8 10<BR>\n" );
document.write( "Money earned<BR>\n" );
document.write( "($) 45 75 120 150<BR>\n" );
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document.write( "You can find the slope of that and this will be his wage rate.\r<BR>\n" );
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document.write( "Louis's rate is obviously 12 dollars per hour.\r<BR>\n" );
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document.write( ".............................More help was wanted...........................\r<BR>\n" );
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document.write( "Louis' earnings,<BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=L%28x%29=12x ALIGN=MIDDLE  ALT=\"L%28x%29=12x\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "L(x), his earnings<BR>\n" );
document.write( "x, number of hours worked<BR>\n" );
document.write( "12, the slope of this linear equation; so this means <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=12%28dollars%2Fhour%29 ALIGN=MIDDLE  ALT=\"12%28dollars%2Fhour%29\"   DISABLED_style= \"max-width:90%; height:auto;\" >.\r<BR>\n" );
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document.write( "Carl's earnings,<BR>\n" );
document.write( "C(x), his earnings<BR>\n" );
document.write( "x, number of hours worked<BR>\n" );
document.write( "(x, C(x)) points:  (3, 45), (5, 75), (8, 120), (10, 150).<BR>\n" );
document.write( "Hopefully this forms all one single slope from point to point.<BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=%2875-45%29%2F2=15 ALIGN=MIDDLE  ALT=\"%2875-45%29%2F2=15\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "-<BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=%28120-75%29%2F3=15 ALIGN=MIDDLE  ALT=\"%28120-75%29%2F3=15\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "-<BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=%28150-120%29%2F2=15 ALIGN=MIDDLE  ALT=\"%28150-120%29%2F2=15\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
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document.write( "C(x) ---(part deleted)---- Carl obviously gets a rate of <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=15%28dollars%2Fhour%29 ALIGN=MIDDLE  ALT=\"15%28dollars%2Fhour%29\"   DISABLED_style= \"max-width:90%; height:auto;\" > ---(part deleted)----.\r<BR>\n" );
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document.write( "If you work with Carl's data further, you will find also y-intercept is 0.\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-1%2C14%2C-1%2C14%2C12x%2C15x%29 ALIGN=MIDDLE  ALT=\"graph%28400%2C400%2C-1%2C14%2C-1%2C14%2C12x%2C15x%29\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "(for the graph:    red for Louis, green for Carl)\r<BR>\n" );
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document.write( "(Colors here not related to the graph:   Louis  <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=highlight%28L%28x%29=highlight_green%2812%29x%29 ALIGN=MIDDLE  ALT=\"highlight%28L%28x%29=highlight_green%2812%29x%29\"   DISABLED_style= \"max-width:90%; height:auto;\" >, Carl  <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=highlight%28C%28x%29=highlight_green%2815%29x%29 ALIGN=MIDDLE  ALT=\"highlight%28C%28x%29=highlight_green%2815%29x%29\"   DISABLED_style= \"max-width:90%; height:auto;\" > ) </SPAN>\n" );
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