Answer:
33.3
Explanation:
Let the number of green beads =G
Let the number of red beads =R
Let the number of blue beads =B
3*G=1R (1)
2B=G (2)
From equ(1), If G=2, R=6
From equ(2), 2B=2, B=1
Number of green beads =2/9 *150=33.3
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