Question

(a) A movie lasts fbr I hour 48 minutes and finishes at 1 0. 15 pm.

Find the time it starts. ​

Answer 1

To find when it starts we subtract the two times:

10:15

- 1:48

________

8:27

Answer =8:27pm

Answer 2

Given : A movie lasts for 1 hour 48 minutes and finishes at 10. 15 pm.  

To find : time movie starts

Solution:

movie lasts   1   hour 48 minutes

Movie finishes at 10 : 15  PM

1   hour 48 minutes   =  1   hour  60 minutes - 12  Minutes

60 minutes = 1 Hr

= 1 Hr  + 1  Hr  - 12 Minutes

= 2 Hr  - 12 Minutes

Movie Start time = Movie Finish Time -  Movie Duration

=   10 :  15    -   ( 2 hr    - 12 Minutes)  

= 10 : 15   - 2 hr  + 12 Minutes

=> 10 - 2 = 8  hr

15 + 12 = 27 Minutes

=> 8 : 27 PM    

Movie Start time = 8 : 27 PM      

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