Respuesta :

given:

started= 2:30 PM

ended= 4:00 PM

to find:

the duration of the concert.

solution;

( just find the difference of finishing time and starting time)

= 1 hour 30 mins

so, the duration of the concert is 1 hour 30 mins.

kookmintae

0400-0230

= 1 hour 30 minutes

hope this helps :)