Question

To what extent would two successive discounts of 10% be equal?
a.15%
b.19%
c.20% d

Answer 1

Answer:

option B.  19%

Step-by-step explanation:

Let the initial price of an item be = C.

Discount = 10% = C * 10% = C * 10/100 = 0.10 * C

The price after the first discount =  C - C /10 = 0.90 * C

2nd successive discount = 10% = 10/100 * 0.90 C

  = 0.09 C

The price after 2nd successive discount = 0.90 C - 0.09 C

  = 0.81 C

The total discount given = 0.10 C + 0.09 C = 0.19 C

So the answer is 0.19 C / C  * 100 = 19%

Answer 2

Step-by-step explanation:

Oprion(B)

19percent is the answer.

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