Question

Find a single discount equivalent of two successive discounts 10percent and 20 percent​

Answer 1

Answer:

Use Formula,

Equivalent Discount = (A + B) - (AB/100) where A = First Discount, B =Second Discount.

Equivalent Discount = (20 + 10) - (20*10)/100

Equivalent Discount = 30 - 2 = 28%.

Graphic Change Method

100==20%(disc.)==>80==10%(disc.)==>72

Equivalent discount = 28%.

Step-by-step explanation:

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