Find the Single Discount (As a Percent) Equivalent to Successive Discounts Of: 80% and 80% - Mathematics

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Sum

Find the single discount (as a percent) equivalent to successive discounts of:
80% and 80%

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Solution

Successive discounts = 80% and 80%

Let M.P. = ₹100

Then S.P. after two discounts

`=₹(100(100-80)xx(100-80))/(100xx100)`

`=(100xx20xx20)/(100xx100)=₹4`

∴ Total discount = ₹100 − 4 = ₹96

∴ Single discount = 96%

Concept: Concept of Discount
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APPEARS IN

Selina Concise Mathematics Class 8 ICSE
Chapter 8 Profit, Loss and Discount
Exercise 8 (D) | Q 16.1 | Page 98
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