A concert started at 4:30 p.m. and ended at 6:15 p.m. How long what the concert?

A) 1 hour 15 minutes
B) 1 hour 45 minutes
C) 3 hours 15 minutes
D) 2 hours 45 minutes

Respuesta :

4:30 p.m - 5:30 p.m  =  1 hour
5:30 p.m - 6:15 p.m = 45 minutes

so answer is 
B) 1 hour 45 minutes

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