document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=241619>Question 241619</A>: <I><SPAN STYLE=\"word-break: break-all;\"> I do not know how to solve this problem please help me. the problem says: Carlos and Maria drove a total of 358 miles in 6.7 hours. Carlos drove the first part of the trip and averaged 55 miles per hour. Maria drove the remainder of the trip and averaged 52 miles per hour.For approximately how many hours did Maria drive? Round your answer to the nearest tenth if necessary. Please help me and I need to show my work. Thank you. </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #176981 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=176981\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> Carlos and Maria drove a total of 358 miles in 6.7 hours. <BR>\n" );
document.write( "Carlos drove the first part of the trip and averaged 55 miles per hour. <BR>\n" );
document.write( "Maria drove the remainder of the trip and averaged 52 miles per hour.<BR>\n" );
document.write( "For approximately how many hours did Maria drive?<BR>\n" );
document.write( "----<BR>\n" );
document.write( "Carlos DATA:<BR>\n" );
document.write( "rate = 55 mph ; time = t hrs ; distance = rt = 55t miles<BR>\n" );
document.write( "---------------<BR>\n" );
document.write( "Maria DATA:<BR>\n" );
document.write( "rate = 52 mph : time = 6.7-t hrs ; distance = rt = 52(6.7-t) miles<BR>\n" );
document.write( "-----------------------------------<BR>\n" );
document.write( "Equation:<BR>\n" );
document.write( "distance + distance = 358 miles<BR>\n" );
document.write( "55t + 52(6.7-t) = 358<BR>\n" );
document.write( "3t + 348.4 = 358<BR>\n" );
document.write( "3t = 9.6<BR>\n" );
document.write( "t = 3.2 hrs (# of hrs Carlos drove<BR>\n" );
document.write( "6.7-t = 3.5 hrs (# of hrs Maria drove.<BR>\n" );
document.write( "---------<BR>\n" );
document.write( "Cheers,<BR>\n" );
document.write( "Stan H. </SPAN>\n" );
document.write( "</TD></TR></TABLE>\n" );