Shop keeper offer buy 2 shirt get 2 free. Find the discount percentage.
Formula for Discount percentage
% of discount = (free item / Total no of item)* 100
buy 2 get 2 free
Total item = 2 + 2 = 4
% of discount = (free item / Total no of item)* 100
= (2 / 4) * 100
= 50%
Discount percentage is 50 .
