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blagie [28]
3 years ago
13

There is a bag with only red marbles and blue marbles. The probability of randomly choosing a red marble is 3 8 . There are 18 r

ed marbles in the bag and each is equally likely to be chosen. Work out how many marbles in total there must be.
Mathematics
1 answer:
sweet-ann [11.9K]3 years ago
8 0

Answer:

There are 48 marbles in the bag

Step-by-step explanation:

red: blue : total

3                   8

there are 18 red

18/3 = 6

Multiply everything by 6

3*6                 8*6

18                    48

There are 48 marbles in the bag

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