Diego is packing 280 CDs into boxes. Each box holds 8 CDs. Diego has alrea packed 200 CDs. Which equations can be used to find the number of boxes that Diego needs in order to finish packing the CDs?
A 280-200=80 , 80 x 8=B
B 280+200=480 , 480=8 x B
C 280+8=288 , 288-200=B