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oksian1 [2.3K]
2 years ago
15

Please Help!!!

Mathematics
1 answer:
sladkih [1.3K]2 years ago
5 0

x - hip-hop CDs

x+3 - rock CDs

|\Omega|=x+x+3=2x+3\\|A|=x\\\\P(A)=\dfrac{x}{2x+3}=\dfrac{2}{5}\\\dfrac{x}{2x+3}=\dfrac{2}{5}\\5x=4x+6\\x=6\\\\x+3=9

6 hip-hop CDs, 9 rock CDs

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