Question

10hours20minutes-4hours45minutes

Answer 1

*10 hours = 10×60 = 600 min.
And 20 min.
•: 600+20 = 620 min.

* 4 hours = 4×60 = 240 min.
And 45 min.
•: 240+45 = 285 min.

and now ,
620-285
=335 min.
= 5 hours and 35 min.
Hope it helped!!
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Answer 2

when we convert both hrs into mins we get 620 and285.when we subtract it we get 335 mins I.e 5 hrs 35mins