Three successive discounts of 10%, 20% and 30% is equivalent to a single discount of what percent?
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Ist year 10 9
2nd year 5 4
3 year 10 7
-----. ------
500. 252
500-252 = 248/500. *100 = 49.6%
2nd year 5 4
3 year 10 7
-----. ------
500. 252
500-252 = 248/500. *100 = 49.6%
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