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Find If the Following Discount Series is Better for the Customer: 25%, 20% and 15% - Mathematics

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Question

Find if the following discount series is better for the customer:
25%, 20% and 15%

Sum
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Solution

Let the M.P. be Rs. x
First discount
S.P. = `(1 - "d"_1/100)(1 - "d"_2/100)(1 - "d"_3/100)` of M.P.

= `(1 - 25/100)(1 - 20/100)(1 - 15/100) xx x`

= `(75)/(100) xx (80)/(100) xx (85)/(100) xx x`
= 0.510x.

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Chapter 2: Profit , Loss and Discount - Exercise 2.3

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Frank Mathematics [English] Class 9 ICSE
Chapter 2 Profit , Loss and Discount
Exercise 2.3 | Q 12.1
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