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PolarNik [594]
3 years ago
10

A bag contains 150 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 9 red marbles, 15 green marbles and 6 blue marbles. Predict how many blue marbles are in the bag.
Mathematics
2 answers:
Galina-37 [17]3 years ago
8 0

Answer:

30 blue marbles

Step-by-step explanation:

Hope this helps

JulsSmile [24]3 years ago
3 0
Ok so the total number of marbles is 150
And these can be either red, green or blue
If they’re are 9 RM, 15GM and 6 BM then the total number of marbles the student picked was 30M
So 150/30 is 5
So 6 * 5 is 30 so the total number of BM is 30
:)
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