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A bag has 4 yellow marbles and 16 red marbles. Half of the red marbles are made of plastic. A marble is selected at random from the bag. What is the probability that it is a red, plastic marble? write your answer as a fraction in simplest from.

Respuesta :

To answer this question, we can draw the information as follows:

As we can see from the drawing, we have that the number of red, plastic marbles to the total of marbles is:

[tex]P=\frac{8}{20}=\frac{4}{10}=\frac{2}{5}[/tex]

Therefore, this probability is equal to P = 2/5.

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