Company ABC offers a series discount of 20%,10% and 4% on a type of water filter while company XYZ offers a single discount of 32% on the same type of water filter. Which company offers a greater discount on its merchandise assuming the list price is the same ?

Question

is that my method is true to solve this question

1-(1-0.2)(1-o.1)(1-0.04)=0.3088

1-(0.32)=0.68

Answer 1

I answered this for you already
http://www.jiskha.com/display.cgi?id=1398482333

I counted about 8 problems dealing with series of discounts, plus numerous questions that have been
answered dealing with compound interest.
I don't see a single reply by you or even a response indicating that you are even looking at our answers.
Frustrating to spend time answering your questions , not even knowing if somebody is looking at the answers .

Answer 2

"fizz" has also posted as "bella twins" and "amy" below.

Sounds like a DIFM game-player to me!