There is a bag with only red marbles and blue marbles.

The probability of randomly choosing a red 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.

Question

16 August, 10:36

+5

Answers (2)

Know the Answer?

Cora Osborn · Answer 1

5/12 of 72 marbles

5*6

= 30 red marbles

Jocelyn Fry · Answer 2

30.

Step-by-step explanation:

The answer is 5/12 of 72

= 5 * 6

= 30 red marbles.

There is a bag with only red marbles and blue marbles.The probability of randomly choosing a red marble is512.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.