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The probability that you randomly selected a red marble from a group of 40 marbles is 7/20, how many are red marbles?

The probability that you randomly selected a red marble from a group of 40 marbles is 7/20, how many are red marbles?
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The probability that you randomly selected a red marble from a group of 40 marbles is 7/20, how many are red marbles?

asked
User Jnt
by
8.2k points

1 Answer

4 votes
x/40 = 7/20
40/20=2
x=7x2=14

14 red marbles

Hope this helps.
answered
User Deolu A
by
8.2k points
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