There are 30 marbles in a bag. There are 11 red, 12 blue, and 7 green. What is the probability of selecting a green marble?
A.) 30%
B.)37%
C.)40%
D.)23%

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Ответ:

Heartlesskiidkii

09.01.2021

Mathematics

x+12=30

Step-by-step explanation:

Since you are finding how much in the first half, you write the equation like this.

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There are 30 marbles in a bag. There are 11 red, 12 blue, and 7 green. What is the probability of selecting a green marble? A.) 30% B.)37% C.)40% D.)23%