document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=662946>Question 662946</A>: <I><SPAN STYLE=\"word-break: break-all;\"> Tom was paid 4.50 an hour fot painting a fence and 6.50 an hour to mowing grass.  He worked 7 hours and earned 39.50. How many hours did it take him to paint the fence?<BR>\n" );
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document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #412624 by </B><A HREF=/tutors/aboutme.mpl?userid=ReadingBoosters><B>ReadingBoosters(3246)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=ReadingBoosters><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=412624\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> 4.50/hr for fence<BR>\n" );
document.write( "6.50/hr for grass<BR>\n" );
document.write( "4.50x + 6.50y = 39.50<BR>\n" );
document.write( "x+y=7<BR>\n" );
document.write( "Substitute into the first equation<BR>\n" );
document.write( "4.50(7-y) + 6.50y = 39.50<BR>\n" );
document.write( "31.50 - 4.50y + 6.50y = 39.50<BR>\n" );
document.write( "31.50 + 2y = 39.50<BR>\n" );
document.write( "2y = 39.50 - 31.50<BR>\n" );
document.write( "2y = 8<BR>\n" );
document.write( "y = 4 hours mowing grass<BR>\n" );
document.write( "x = 7-4= 3 hours painting the fence<BR>\n" );
document.write( "Proof<BR>\n" );
document.write( "4.5(3) + 6.5(4) = <BR>\n" );
document.write( "13.50 + 26 = 39.50<BR>\n" );
document.write( ".........................<BR>\n" );
document.write( "Delighted to help.<BR>\n" );
document.write( "-Reading Boosters<BR>\n" );
document.write( "Wanting for others what we want for ourselves. </SPAN>\n" );
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