help with math problem: averages asap

<p>John walked to school at an average speed of 3 miles an hour and jogged back along the same route 5 miles an hour. If his total traveling time was 1 hour, what was the total number of miles in the round trip?</p>

<p>please help...</p>

<p>thanks...</p>

<p>This questions was address in this thread:</p>

<p><a href="http://talk.collegeconfidential.com/showthread.php?t=197397%5B/url%5D"&gt;http://talk.collegeconfidential.com/showthread.php?t=197397&lt;/a&gt;&lt;/p>