Question 1183510
.
<pre>

The time duration is


        42 - 16 = 26 minutes


    P L U S


       20 + 48 = 68 seconds = 1 minute and 8 seconds,


which is  27 minutes and 8 seconds, in total      <U>ANSWER</U>
</pre>


Solved and carefully explained.



/\/\/\/\/\/\/\/\/



IGNORE &nbsp;the post by @josgarithmetic, &nbsp;since it is &nbsp;TOTALLY &nbsp;WRONG.