Question

Single discount is equal to successive discounts of 20% and 10% is_____%.

Answer 1

Answer:

the answer is - 30

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Answer 2

Answer:

28%

EXPLANATION:

Single equivalent discount for successive discounts of 10% and 20%.

( 10 +20 - 20×10/100) %

= (30-2)%

= 28 %

formula: (a+b -ab/100) %

a and b are the value of first and second discount.