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jarptica [38.1K]
3 years ago
9

a bag contains 2 red marbles, 3 green marbles, and 2 black marbles what is the probability of drawing out a black marble

Mathematics
2 answers:
GuDViN [60]3 years ago
8 0

Answer:

P (black)  = 2/7

Step-by-step explanation:

We need to know the total amount of marbles.

2 red + 3 green + 2 black = 7 marbles

P ( black) = number of black marbles / total marbles

              = 2 /7

Thepotemich [5.8K]3 years ago
3 0

Answer:

It should be 2:7 (or, written as a fraction 2/7)

Step-by-step explanation:


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