Question

Find the single discount equivalent to two successive discounts of 20% and 10%

Answer 1

Step-by-step explanation:

SORRY

IT CANT BE SOLVED..

Answer 2

Step-by-step explanation:

Use Formula,

Equivalent Discount = (A + B) - AB100

where A = First Discount, B =Second Discount.

Equivalent Discount = (20 + 10) - 20×10100

Equivalent Discount = 30 - 2 = 28%

Graphic Change Method

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

Equivalent discount = 28%