A jar contains 12 marbles some are red and some blue. If a marble is drawn at random from the jar, the probability that it is red is 2/3. How many red marbles are there in jar?step by step explanation
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Probability of red = 2/3
no. of red marbles =2/3×12 = 8
so no. of blue marbles = 12-8 = 4
RED MARBLES = 8
BLUE MARBLES = 4
no. of red marbles =2/3×12 = 8
so no. of blue marbles = 12-8 = 4
RED MARBLES = 8
BLUE MARBLES = 4
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