Mathematics
Successive Discounts
Calculate the equivalent single discount of two successive discounts.
Net Discount % = A + B - (A × B)/100
Formula Explanation
Two discounts applied one after another are not simply added; the product term must be subtracted.
Variables Explained
A, B = successive discount percentages.
Solved Example
Find net discount of 20% and 10%.
Net = 20 + 10 - (20×10)/100 = 28%.