a jar contains 54 marbles each of which is blue, green or white . the probability of selecting a green marble at random from the jar is 1/3 , and the probability of selecting a green marble at random is 4/9 . How many white marbles does the jar contain
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Step-by-step explanation:total number of marbles=54
The probability of getting blue marbles=4/9
=54*4/9
=24
The probability of selecting a green marbles =1/3
Number of green marbles =54*1/3=18
Number of white marbles=54-(24+18)
=54-42
=12
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