Question

find a single discount equivalent to the successive discount of 20% and 10%​

Answer 1

Answer:

The answer is 18%

Explanation:

Let the cost be x.

20% of x is 20x/100

The remaining balance to be paid is 80x/100 .

Out-of 80x/100 90% should be Paid.

there fore

80x/100*90/100=72x/100 =72%

there fore the total discount is 18%.

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