Mathematics, 17.03.2021 23:50, davienwatson8

There is a bag with only red marbles and blue marbles. The probability of randomly choosing a red marble is
11
12
.
There are 72 marbles in total in the bag and each is equally likely to be chosen.
Work out how many red marbles there must be.

Answers: 2

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There is a bag with only red marbles and blue marbles. The probability of randomly choosing a red marble is 11 12 . There are 72 marbles in total in the bag and each is equally likely to be chosen. Work out how many red marbles there must be.

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There is a bag with only red marbles and blue marbles. The probability of randomly choosing a red marble is
11
12
.
There are 72 marbles in total in the bag and each is equally likely to be chosen.
Work out how many red marbles there must be.