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A jar contains 3 black marbles, 4 white marbles and 5 striped marbles. If a marble is picked at random, what is the probability that it is black? Give your answer as a fraction …

A jar contains 3 black marbles, 4 white marbles and 5 striped marbles. If a marble is picked at random, what is the probability that it is black? Give your answer as a fraction …
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A jar contains 3 black marbles, 4 white marbles and 5 striped marbles. If a marble is picked at random, what is the probability that it is black? Give your answer as a fraction in lowest terms.

Please help!!!

asked
User Dean Povey
by
7.9k points

1 Answer

2 votes

Answer:

1/4

Explanation:

there is 3 black marbles and 3+4+5=12 total marbles. 3/12=1/4

answered
User Egghese
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8.7k points
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