Respuesta :

Rxplanation:

Number of Blue marbles = 9

Number of green marbles = 5

Number of yellow marbles = 12

Sum of all marbles = Number of Blue marbles + Number of green marbles + Number of yellow marbles

Sum of all marbles = 9 + 5 + 12

Sum of all marbles = 26

The ratio of yellow to blue to green:

Number of yellow marbles : Number of blue marbles : Number of green marbles

12 :

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