Find the net discount percentage for successive discounts of 18% and 42%.
Show answer & explanation
Correct answer: D
Explanation
Formula for successive discounts:
Net discount = a + b − (ab/100)
Where a = 18%, b = 42%
Net discount = 18 + 42 − (18 × 42)/100
= 60 − 7.56= 52.44%