A successive discount is a combination of many discounts. For example, discounting an $800 TV by 10%, leaving us with $720, and then discounting this by 5%, leaving us with $684.Working out:
1st Discount
= 800 x 0.9
=$720
2nd Discount
=$720 x 0.95
=$684
A normal discount of 15% will give us a different answer to this.
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21%
22.5%
When one of the discounts is an absolute discount (10 cents) and the other is relative (20%), it is not posible to give an answer without knowing the starting price.
Start with 100. 20% off leaves 80, 15% of 80 is 12, leaving 68, an overall reduction of 32%
In a sequence, the ratio of the third term to the second term is the one successive from the ratio of the second to the first. The successive ratios are : u2/u1, u3/u2, u4/u3 and so on. In a geometric sequence, these would all be the same.