Number of puffs sold by 4 different bakeries in 3 different months. 

 What is the respective ratio between the number of puffs sold by bakeries A and B together in February and the total number of puffs sold by bakeries C and D together in the same month?

49 : 88

Number of puffs sold by  A and B in February  :   Number of puffs sold by C and D in February

      ( 109 + 87 )  :   ( 220 + 132 )

          196          :         352

          49            :         88