A bag contains 3 red marbles, 5 blue marbles, and 7 green marbles. what does the ratio 5:3 represent in this scenario?
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ANSWER = 1/5 in number or 20% in percentage
Probability is desired outcomes divided by total outcomes, so long as all outcomes are equally likely.
You want blue, there a re three blue marbles, so desired outcomes = 3.
There are 3 blue + 7 red + 5 yellow = 15 total
3/15 = 1/5 = 20%
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