There are only blue cubes, yelbow cubes and green cubes in a bag. There are three times as many blue cubes as yellow cubes and five times as many green cubes as blue cubes. Sarah takes at random a cube from bag. What is the probability that Sarah takes a yellow cube.

Question

Madilynn Bentley

Mathematics

15 June, 13:59

There are only blue cubes, yelbow cubes and green cubes in a bag. There are three times as many blue cubes as yellow cubes and five times as many green cubes as blue cubes. Sarah takes at random a cube from bag. What is the probability that Sarah takes a yellow cube.

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Answers (1)

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Buchanan · Answer 1

Let's assume there is 1 yellow cube, so:

1 yellow cube, 3 (3x1) blue cubes, 15 (5x3) green cubes

1 + 3 + 15 = 19

Probability of Sarah taking a yellow cube would be 1:19