There is a bag filled with 3 blue and 5 red marbles.
1 answer:
Answer:
4/7
Step-by-step explanation:
The first time, the probability is 5/8. Then you remove one marble that is red (if you get a red one), so the probability is 4/7.
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27/36 = n/4
27*4 = 36n
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108/36 = 36n/36
n = 3
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