Question 1124070
<pre>
           SPEED        TIME       DISTANCE
AtoB        140          d/140       d
BtoA        110          d/110       d
TOTAL                    6
</pre>

{{{d/140+d/110=6}}}
Find d;
then find {{{d/140}}}.




{{{d=369.6}}} miles
-
{{{d/140=2.64}}}  or  2 hours 38 minutes