document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=434022>Question 434022</A>: <I><SPAN STYLE=\"word-break: break-all;\"> I am looking for the proper formula to complete this problem because I would like to try and figure this out on my own:  Suppose you have a job at a restaurant that pays $12 per hour. You also work at a bookstore that pays $9 per hour. You want to earn at least $225 per week, but would like to work no more than 25 hours per week. <BR>\n" );
document.write( "I was thinking that it should go something like this:<BR>\n" );
document.write( "12x + 9y =225<BR>\n" );
document.write( "x + y = 25<BR>\n" );
document.write( "Multiply the second equation by -9<BR>\n" );
document.write( "-9x+-9y=-225<BR>\n" );
document.write( "Then use subtraction:<BR>\n" );
document.write( "12x+9y=225<BR>\n" );
document.write( "-9x-9y=-225<BR>\n" );
document.write( "Which gives me this but I know I went wrong somewhere:<BR>\n" );
document.write( "3x=-225<BR>\n" );
document.write( "x=-75<BR>\n" );
document.write( "Please let me know where I am going wrong and how to correct it.<BR>\n" );
document.write( "Thank you\r<BR>\n" );
document.write( "<BR>\n" );
document.write( "\n" );
document.write( " </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #300797 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=300797\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> I am looking for the proper formula to complete this problem because I would like to try and figure this out on my own: Suppose you have a job at a restaurant that pays $12 per hour. You also work at a bookstore that pays $9 per hour. You want to earn at least $225 per week, but would like to work no more than 25 hours per week. <BR>\n" );
document.write( "I was thinking that it should go something like this:<BR>\n" );
document.write( "12x + 9y =225<BR>\n" );
document.write( "x + y <= 25<BR>\n" );
document.write( "-----------------------<BR>\n" );
document.write( "Multiply the second equation by -9<BR>\n" );
document.write( "-9x+-9y=-225<BR>\n" );
document.write( "-----------------------------<BR>\n" );
document.write( "Then use ADDITION to get:<BR>\n" );
document.write( "3x = 0<BR>\n" );
document.write( "x >= 0<BR>\n" );
document.write( "---<BR>\n" );
document.write( "Solve for y:<BR>\n" );
document.write( "x+y <= 25<BR>\n" );
document.write( "---<BR>\n" );
document.write( "If x = 0, y = 25<BR>\n" );
document.write( "If x = more than 0, y = less than 25<BR>\n" );
document.write( "========================================<BR>\n" );
document.write( "Cheers,<BR>\n" );
document.write( "Stan H.<BR>\n" );
document.write( " </SPAN>\n" );
document.write( "</TD></TR></TABLE>\n" );