Question

There is a bag with only red marbles and blue marbles.
The probability of randomly choosing a blue marble is
5
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.

Answer 1

Answer:

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Step-by-step explanation:

5+12=17

17+72= 89

Answer = 89