There is a bag with only red marbles and blue marbles. The probability of randomly choosing a red marble is 5 7 . There are 30 red marbles in the bag and each is equally likely to be chosen. Work out how many marbles in total there must be.
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Step-by-step explanation:
number of favorable outcomes
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total number of possible outcomes
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Answer:
ur nana
Step-by-step explanation:
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