A drawer of loose socks contains 2 red socks, 2 green socks, and 6 white socks. Which best describes how to determine the probab
2 answers:
Answer:
Probability of pulling out a white sock = .
Probability of pulling out another white sock = .
Step-by-step explanation:
Given : A drawer of loose socks contains 2 red socks, 2 green socks, and 6 white socks.
To find : Which best describes how to determine the probability of pulling out a white sock, not replacing it, and pulling out another white sock.
Solution : We have given that red socks = 2.
green socks = 2
white socks = 6.
Total scoks = 10 .
Probability = .
Probability of pulling out a white sock = .
Not replacing it ,
Now , we left only total 9 socks and 5 white socks
Probability of pulling out another white sock = .
Therefore, Probability of pulling out another white sock = .
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Answer: b = 18
First, simplify
Second, simplify
Third, multiply both sides by 9 (the LCD of 9,3). / Your problem should look like: 27 - 2b = 3b - 63
Fourth, add 2b to both sides. / Your problem should look like: 27 = 3b - 63 + 2b
Fifth, simplify 3b - 63 + 2b to 5b - 63. / Your problem should look like: 27 = 5b - 63
Sixth, add 63 to both sides. / Your problem should look like: 27 + 63 = 5b
Seventh, simplify 27 + 63 to 90. / Your problem should look like: 90 = 5b
Eighth, divide both sides by 5. / Your problem should look like:
Ninth, simplify
Tenth, switch sides. Your problem should look like: b = 18
Answer: b = 18