Two successive discounts of 20% and 20% are equivalent to a Single-discount of which of the following?
A. 42%
B. 40%
C. 36%
D. 34%
You can use the formula given below to calculate the Equivalent single discount.
Equivalent single discount
= (D1 + D2 − D1×D2/100 )%
= ( 20 + 20 − 20×20/100 )% = 36%
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