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

User Jnt
by
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1 Answer

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

14 red marbles

Hope this helps.
User Deolu A
by
8.3k points
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