How much time is there between 8:30 a.m. today and 3:15 a.m. tomorrow? A 17 3/4 hours
B 18 1/3 hours
C 18 1/2 hours
D 18 3/4 hours
24 - (8:30 - 3:15) = 24- 5:15 =18:45 =\(18\; \frac{3}{4} \; hours\)
D is correct.
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