document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=740603>Question 740603</A>: <I><SPAN STYLE=\"word-break: break-all;\"> Brian earns twice as much each week as a tutor than he does pumping gas. His total weekly wages are $150 more than that of his younger sister. She earns one quarter as much as Brian does as a tutor. How much does Brian earn as a tutor? </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #451639 by </B><A HREF=/tutors/aboutme.mpl?userid=josgarithmetic><B>josgarithmetic(39623)</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=451639\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> Brians tutoring income = 2*x<BR>\n" );
document.write( "Brians pumping gasoline income = x<BR>\n" );
document.write( "Brians WEEKLY income = $150+y<BR>\n" );
document.write( "Sister's tutoring income = y<BR>\n" );
document.write( "Also, Sister's tutoring income = <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=y+=+%281%2F4%29%282x%29 ALIGN=MIDDLE  ALT=\"y+=+%281%2F4%29%282x%29\"   DISABLED_style= \"max-width:90%; height:auto;\" >\r<BR>\n" );
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document.write( "Analyzing those data seem to indicate relating Brian's weekly income with his sister's income.\r<BR>\n" );
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document.write( "Brians earns from pumping gas, x, and from tutoring, 2x.  Their sum is this.<BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=150%2By=x%2B2x ALIGN=MIDDLE  ALT=\"150%2By=x%2B2x\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=3x=y%2B150 ALIGN=MIDDLE  ALT=\"3x=y%2B150\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=highlight%283x-y=150%29 ALIGN=MIDDLE  ALT=\"highlight%283x-y=150%29\"   DISABLED_style= \"max-width:90%; height:auto;\" >\r<BR>\n" );
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document.write( "We have a formula for y, his sister's income, so let us substitute this into <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=3x-y=150 ALIGN=MIDDLE  ALT=\"3x-y=150\"   DISABLED_style= \"max-width:90%; height:auto;\" >;<BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=3x-%28%281%2F4%29%282x%29%29=150 ALIGN=MIDDLE  ALT=\"3x-%28%281%2F4%29%282x%29%29=150\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=3x-x%2F2=150 ALIGN=MIDDLE  ALT=\"3x-x%2F2=150\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=%283-1%2F2%29x=150 ALIGN=MIDDLE  ALT=\"%283-1%2F2%29x=150\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=%285%2F2%29x=150 ALIGN=MIDDLE  ALT=\"%285%2F2%29x=150\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=x=%282%2F5%29%2A150 ALIGN=MIDDLE  ALT=\"x=%282%2F5%29%2A150\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=highlight%28x=60%29 ALIGN=MIDDLE  ALT=\"highlight%28x=60%29\"   DISABLED_style= \"max-width:90%; height:auto;\" >, which is Brian's incoming from pumping gasoline.\r<BR>\n" );
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document.write( "For his tutoring income, <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=highlight%282%2Ax=120%29 ALIGN=MIDDLE  ALT=\"highlight%282%2Ax=120%29\"   DISABLED_style= \"max-width:90%; height:auto;\" > dollars tutoring. </SPAN>\n" );
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