shenoaoropeza90
Answered

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A bag contains 10 black, 15 white, and 25 blue marbles. What is the probability of randomly selecting one
marble that is NOT black?

Sagot :

Answer: 0.8 or 80%

Step-by-step explanation:

First find the total number of marbles:

10 + 15 + 25 = 50 marbles total

To find the number of marbles that are not black:

15 + 25 = 40 marbles that are not black

Set up ratio:

[tex]\frac{40}{50}[/tex] = 0.8 or 80%

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