document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=142693>Question 142693</A>: <I><SPAN STYLE=\"word-break: break-all;\"> Hello, I've got to solve this word problem using a system of linear equations and I do not know where to begin, it seems to me like all the variables are just not there.  Any help would be appreciated.  Thank you in advance.\r<BR>\n" );
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document.write( "A bricklayer and an electrician together spend 90 hours working on a new house.  If the bricklayer earns $12 per hour, the electrician earns $16 an hour, and the owner pays them a total of $1350 for their work, how many hours does each worker spend on the house? </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #103840 by </B><A HREF=/tutors/aboutme.mpl?userid=stanbon><B>stanbon(75887)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=stanbon><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=103840\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> A bricklayer and an electrician together spend 90 hours working on a new house.  If the bricklayer earns $12 per hour, the electrician earns $16 an hour, and the owner pays them a total of $1350 for their work, how many hours does each worker spend on the house?<BR>\n" );
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document.write( "Let \"b\" be bricklayer time; Let \"e\" be electrician time.<BR>\n" );
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document.write( "EQUATION:<BR>\n" );
document.write( "Time Eq.: b + e = 90<BR>\n" );
document.write( "Value Eq: 12b + 16e = 1350<BR>\n" );
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document.write( "Use any method to solve the system to get:<BR>\n" );
document.write( "b = 22.5 hrs.<BR>\n" );
document.write( "e = 67.5 hrs.<BR>\n" );
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document.write( "Cheers,<BR>\n" );
document.write( "Stan H. </SPAN>\n" );
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