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Red(x)/Blue(y)=4/5 Green(z)/Blue(y)=2/3

GCF for 5 & 3 is 15. Substituting 15 we get
x=12, y=15, z=10
Total=37
answer should be D.
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R:B
4:5
B:G
3:2

R:B
12:15
B:G
15:10

R:B:G
12:15:10


Total = 12x+15x+10x = 37x
Min would be when multiplier is 1, so, it's 37

Bunuel
In a certain box, the ratio of red marbles to blue marbles is 4 to 5, and the ratio of green to blue marbles is 2 to 3. What is the least number of marbles that could be present in the box?

A) 14
B) 15
C) 32
D) 37
E) 43

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