Question 1115735
<pre>
                 SPEED           TIME                   MILESDISTANCE

FirstPart          r             {{{44/r}}}                    44

SecondPart        r+5            {{{44/(r+5)}}}                44

Total                           {{{1&1/3}}}
</pre>


80 minutes is 1 hour 20 minutes or,  1 hour and 1/3 of an hour.


Use from the equation {{{44/r+44/(r+5)=1&1/3}}}.