The following table shows the daily seats occupancy in different classes of a train. Numbers in bracket represent the total seats available for a particular class.

What is the ratio of number of seats that remained vacant in all the Non-AC classes on Wednesday and Thursday taken together to number of seats remained vacant in AC classes on Monday, Tuesday and Friday?

62 : 39

Vacant seats of Non-AC on Wednesday and Thursday   :    Vacant AC classes seats on Monday , Tuesday & Friday

   (  70 +110 + 110 + 20 )  :   ( 20 + 10 + 5 + 50 + 20 + 30 + 0 + 40 + 20 )

              310                    :                  195

               62                     :                   39