Respuesta :

Answer 1,260 Cards.

Step-by-step explanation: 210 x 2 = 420, 420 + 210 =  630+210+420 = 1,260.

Hope this helps?  :)

Answer:

they have 1,260 because anna had 420, ronald had 210 and erika had 630 add them together you get 1,260

so sorry if this is wrong