Question

9. Find the single discount equivalent to 2 successive discounts of 15% and 20%.

Answer 1

Answer:

31.4%

Step-by-step explanation:

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Answer 2

Let the price be Rs 100

First 15% discount on Rs 100

15/100 × 100 = Rs.15

Now the price will be 100 - 15 = Rs. 85

second 20% discount on Rs. 85

20/100 × 85 = Rs. 16.4

Now the price is 68.6

Discount = 100 - 68.6 = 31.4

discount% = 31.4/100 × 100 = 31.4