document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=1123763>Question 1123763</A>: <I><SPAN STYLE=\"word-break: break-all;\"> mia weekly income varies directly with the number lawns she mows. if she earns $143.50 for mowing 7 lawns, how much will she earn if she mows 10 lawns??<BR>\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 #740129 by </B><A HREF=/tutors/aboutme.mpl?userid=josgarithmetic><B>josgarithmetic(39630)</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=740129\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> Same way or same idea as your other two.\r<BR>\n" );
document.write( "<BR>\n" );
document.write( "\n" );
document.write( "Using your direct-variation language, you can start with<BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=y=kx ALIGN=MIDDLE  ALT=\"y=kx\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "y, amount of income<BR>\n" );
document.write( "x, number of lawns<BR>\n" );
document.write( "k, variation constant\r<BR>\n" );
document.write( "<BR>\n" );
document.write( "<BR>\n" );
document.write( "\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=k=y%2Fx ALIGN=MIDDLE  ALT=\"k=y%2Fx\"   DISABLED_style= \"max-width:90%; height:auto;\" >\r<BR>\n" );
document.write( "\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=143.5%2F7 ALIGN=MIDDLE  ALT=\"143.5%2F7\"   DISABLED_style= \"max-width:90%; height:auto;\" >\r<BR>\n" );
document.write( "\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=k=20.5 ALIGN=MIDDLE  ALT=\"k=20.5\"   DISABLED_style= \"max-width:90%; height:auto;\" >\r<BR>\n" );
document.write( "\n" );
document.write( "Your model becomes  <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=highlight_green%28y=20.5x%29 ALIGN=MIDDLE  ALT=\"highlight_green%28y=20.5x%29\"   DISABLED_style= \"max-width:90%; height:auto;\" >.\r<BR>\n" );
document.write( "<BR>\n" );
document.write( "<BR>\n" );
document.write( "\n" );
document.write( "If 10 lawns, just substitute into your formula model and evaluate y. </SPAN>\n" );
document.write( "</TD></TR></TABLE>\n" );