Respuesta :

2100 - 0700 = 1400
In Beijing, it is 14 hour later than in Washington DC.

2100 + 1400 =

Split 1400 into 300 + 1100

2100 + 300 = 2400 = midnight of the next day.

2400 = 0 (midnight)

0 + 1100 = 1100

Answer: 1100 hours Sunday in Beijing
1100 is the answer and hope you have a good day!!!