document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=1119098>Question 1119098</A>: <I><SPAN STYLE=\"word-break: break-all;\"> Ryan travelled 168 miles in 4 hours.<BR>\n" );
document.write( "Jess travelled 10 miles in 15 minutes<BR>\n" );
document.write( "Who had the greater average speed?<BR>\n" );
document.write( "You must show your working.<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 #734557 by </B><A HREF=/tutors/aboutme.mpl?userid=Theo><B>Theo(13342)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=Theo><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=Theo><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=734557\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> ryan traveled 168 miles in 4 hours.<BR>\n" );
document.write( "his average speed per mile is 168/4 = 42 miles per hour.\r<BR>\n" );
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document.write( "jess traveled 10 miles in 15 minutes.<BR>\n" );
document.write( "15 minutes / 60 is equal to 1/4 of an hour.<BR>\n" );
document.write( "his average speed is 10 / (1/4) = 40 miles an hour.\r<BR>\n" );
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document.write( "ryan has the greater average speed.\r<BR>\n" );
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document.write( "the formula to use is rate * time = distance.<BR>\n" );
document.write( "the measurements you use, however, need to be consistent.\r<BR>\n" );
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document.write( "if you are dealing in miles per hour, then the distance needs to be in miles and the time needs to be in hours.\r<BR>\n" );
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document.write( "for ryan, time is in hours and distance is in miles so no adjustment is necessary.\r<BR>\n" );
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document.write( "for jess, time is in minutes which need to be converted to hours.<BR>\n" );
document.write( "15 minutes / 60 = 1/4 of an hour.<BR>\n" );
document.write( "distance is in miles so no adjustment is required there.\r<BR>\n" );
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document.write( "rate * time = distance.\r<BR>\n" );
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document.write( "for ryan, this becomes rate * 4 = 168.<BR>\n" );
document.write( "solve for rate to get rate = 168/4 = 42 miles per hour.\r<BR>\n" );
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document.write( "for jess, this becomes rate * 1/4 = 10.<BR>\n" );
document.write( "solve for rate to get rate = 10 / (1/4) = 40 miles per hour.\r<BR>\n" );
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