document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=258824>Question 258824</A>: <I><SPAN STYLE=\"word-break: break-all;\"> Shelly Egan works as a stocker at a grocery store during summer vacation. She gets paid a standard hourly rate for her day hours but a higher hourly rate for any hours she works during the night shift.  One week she worked 17 daylight hours and 8 nighttime hours and earned $191.  The next week she earned $219 for a total of 12 daytime and 15 nighttime hours.  What is the rate she is being paid for daytime hours and what is the rate for nighttime hours?\r<BR>\n" );
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document.write( "email addy: mom22bizeegurls@ymail.com </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #190626 by </B><A HREF=/tutors/aboutme.mpl?userid=checkley77><B>checkley77(12844)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=checkley77><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=190626\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> 17x+8y=191 multiply by 15.<BR>\n" );
document.write( "12x+15y=219 multiply by -8 & add.<BR>\n" );
document.write( "255x+120y=2,865<BR>\n" );
document.write( "-96x-120y=-1,752<BR>\n" );
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document.write( "159x=1,113<BR>\n" );
document.write( "x=1,113/159<BR>\n" );
document.write( "x=$7 is the hourly rate for daytime hours.<BR>\n" );
document.write( "17*7+8y=191<BR>\n" );
document.write( "119+8y=191<BR>\n" );
document.write( "8y=191-119<BR>\n" );
document.write( "8y=72<BR>\n" );
document.write( "y=72/8<BR>\n" );
document.write( "y=$9 is the hourly rate for nightime hours.<BR>\n" );
document.write( "Proof:<BR>\n" );
document.write( "12*7+15*9=219<BR>\n" );
document.write( "84+135=219<BR>\n" );
document.write( "219=219 </SPAN>\n" );
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