Respuesta :

0.20 is equal to 1/5.

If 1/5 are winning ducks, 4/5 are not.
4/5 * 30 ducks= 24 losing ducks

Final answer: 24

The are 24 ducks not winning ducks.

What is Unitary method?

The unitary method is a technique for solving a problem by first finding the value of a single unit, and then finding the necessary value by multiplying the single unit value.

Given:

P= 0.20

S= 30

As,  1/5 are winning ducks,

p = 1/4

q= 1*-p

q= 4/5,wich does not drink.

Now,

4/5 * 30 ducks

= 24 losing ducks

Learn more about unitary method here:

https://brainly.com/question/22056199

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