The probability that you randomly select a red marble from a group of 40 marbles is 7/20 . How many are red marbles?

asked Oct 3, 2022 13.9k views

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14 i think. Since 7/20 is 35%, it’s 40-65%(100%-35%) and so it is 14 red marbles.

ZILONG PAN answered Oct 4, 2022

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7 votes

There are 14 red marbles

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