A bag contains 40 marbles, 4 of which are blue, 10 are red, 25 are green, and 1 is purple. Shawna takes a marble out of the bag,
records the color, and returns it to the bag. How many green marbles should she expect after 400 trials? (5 points)
1 answer:
25/40=62.5% of green.
400*.625=250 green marbles.
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