document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=883786>Question 883786</A>: <I><SPAN STYLE=\"word-break: break-all;\">  hello can some one solve this word problem for me? thank you\r<BR>\n" );
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document.write( "It took betty 4.5 hrs to drive to her mother's house on Sat morning. On her return trip on Sun night, traffic was heavier, so her trip took her 5 hrs. Her average speed on Sun was 7 mph slower than Sat. What was her average speed on Sun.  </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #533768 by </B><A HREF=/tutors/aboutme.mpl?userid=lwsshak3><B>lwsshak3(11628)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=lwsshak3><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=533768\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> It took betty 4.5 hrs to drive to her mother's house on Sat morning. On her return trip on Sun night, traffic was heavier, so her trip took her 5 hrs. Her average speed on Sun was 7 mph slower than Sat. What was her average speed on Sun.<BR>\n" );
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document.write( "let x=speed on Saturday<BR>\n" );
document.write( "x-7=Speed on Sunday<BR>\n" );
document.write( "distance=travel time*speed (equal for both trips)<BR>\n" );
document.write( "4.5x=5(x-7)<BR>\n" );
document.write( "4.5x=5x-35<BR>\n" );
document.write( "0.5x=35<BR>\n" );
document.write( "x=70<BR>\n" );
document.write( "x-7=63<BR>\n" );
document.write( "average speed on Sun=63 mph </SPAN>\n" );
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