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A bag contains 100 marbles which are red, green, and blue. Suppose a student randomly selects a marble without looking, records the color, and then places the marble back in the bag. The student has recorded
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A bag contains 100 marbles which are red, green, and blue. Suppose a student randomly selects a marble without looking, records the color, and then places the marble back in the bag. The student has recorded 7 red marbles, 2 green marbles and 11 blue marbles. Predict how many green marbles are in the bag.

User WorkSmarter
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5 votes

Answer:

80

Explanation:

If the bag has 100 marbles and 7+2+11=20 then you subtract what you got adding the quantities you already know from the total, and you have your answer :D

User Jacob Tomaw
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