SOLUTION: Successive discounts of 10%, 20%, 30% equal to a discount of ?

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Question 466727: Successive discounts of 10%, 20%, 30% equal to a discount of ?
Answer by rfer(16322) About Me  (Show Source):
You can put this solution on YOUR website!
$10*.9=9*.8=7.2*.7=$5.04
5.04/10=0.504=50.4%
I like to work from real numbers.