SOLUTION: which price is better for the buyer, a 40% discount or two successive discounts of 20%?

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Question 246464: which price is better for the buyer, a 40% discount or two successive discounts of 20%?
Answer by richwmiller(17219) About Me  (Show Source):
You can put this solution on YOUR website!
take 100 as an example
40% of 100=40
but 20% of 100=20
100-20=80
and 20% of 80=is 16
20+16=36
40 > 36 so it is better to take the 40% all at once