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?
1 answer:
Probability red+green
first pick(red) : 7/10
2nd pick( green) : 1/10
the answer maybe like this
prob : 7/10+1/10 = 8/10 =4/5
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36 questions-----3 minutes
x questiones-----1 minutes
x=(1*36)/3
x=36/3
x=12 questions
B.
I don't know for a fact but I think k=1.125
So I would first find out when they are equal then do one more than that. 21x=18x+45, 3x=45, x=15 so the answer would be 16 jerseys
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