Cool Mental Math Multiplication Trick
Monday, February 12, 2018
POW # 9
Mr. S. has 9 marbles in his pocket; 4 green, 2 red, 2 blue and 1 yellow. What is the probability of him reaching into his pocket and pulling out a blue marble? If he puts another blue marble into his pocket. What is the chance of him now pulling out a blue marble?
Due: Thursday, February 15th
Mr. S. has 9 marbles in his pocket; 4 green, 2 red, 2 blue and 1 yellow. What is the probability of him reaching into his pocket and pulling out a blue marble? If he puts another blue marble into his pocket. What is the chance of him now pulling out a blue marble?
Due: Thursday, February 15th
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