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xz_007 [3.2K]
3 years ago
7

A bag has 2 yellow, 7 red, and 1 green marble. What is the probability of picking a red marble, replacing it, and then picking a

green marble?
Choices are
1/25
1/50
49/100
7/100


please help I’m confused because I got 8/10 which reduced to 4/5 but it’s not an option
Mathematics
1 answer:
gladu [14]3 years ago
4 0

Answer:

1/25

Step-by-step explanat5u5u5uu5u5uu5

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\huge\boxed{\sf x = 8a}

Step-by-step explanation:

\sf \frac{3}{a} x - 4 = 20\\\\Add \ 4 \ to \ both \ sides\\\\\frac{3}{a} x = 20+4\\\\\frac{3}{a} x = 24\\\\Multiply \ both \ sides \ by \ a\\\\3x = 24 * a\\\\Divide \ 3 \ to \ both \ sides\\\\x = 24a / 3\\\\x = 8a\\\\\rule[225]{225}{2}

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