document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=1101219>Question 1101219</A>: <I><SPAN STYLE=\"word-break: break-all;\"> On Monday, the Davis family left home to drive to a resort in California for vacation. They drove at an average rate of 48 miles per hour. On Saturday, they drove back the same route, traveling at an average rate of only 32 miles per hour because of road construction. If the Davis family spent a total of 10 hours driving to and from the resort in California, how many miles did they travel from their house to the resort?\r<BR>\n" );
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document.write( "A.192 mi<BR>\n" );
document.write( "B.84 mi<BR>\n" );
document.write( "C. 160 mi<BR>\n" );
document.write( "D.400 mi </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #715772 by </B><A HREF=/tutors/aboutme.mpl?userid=richwmiller><B>richwmiller(17219)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=richwmiller><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/cgi-bin/show-face.mpl?user=richwmiller><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=715772\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> If they traveled the whole trip at 32 mph, they would travel 320 miles 32*10=320<BR>\n" );
document.write( "If they traveled the whole trip at 48 mph, they would travel 480 miles 48*10=480<BR>\n" );
document.write( "So it is somewhere in between 320 and 480. but we want only one way<BR>\n" );
document.write( "Which of the choices is BETWEEN 160 and 240? It can't be 160. 192 looks good. \r<BR>\n" );
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document.write( "32/48=2/3<BR>\n" );
document.write( "2x+3x=10<BR>\n" );
document.write( "5x=10<BR>\n" );
document.write( "x=2<BR>\n" );
document.write( "2x=4<BR>\n" );
document.write( "3x=6<BR>\n" );
document.write( "6 hours at 32 6*32=192<BR>\n" );
document.write( "4 hours at 48 4*48=192<BR>\n" );
document.write( "So it is indeed 192 </SPAN>\n" );
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