well 1/4 = 3/12 and 1/6 = 2/12 so 2/12 + 3/12 is 5/12 then do 4 1/3 divided by 5/12 which is 13/3 divided by 5/12 which is the same as 13/3 x 12/5 which is 156/15 which is 10.4 but since people can’t be decimals it is 10 per day but since it’s asking for 5 days it would be 50 customers