Respuesta :
Answer:
3;4
Step-by-step explaining
do the first to ratios the 3rd doesnt matter
The ratio of blue marbles to red AND yellow marbles would be 1:2. You need to add the red and yellow marbles together which equals 6 marbles. Now that you have 3 blue and 6 red/yellow marbles, you can simplify the 3:6 ratio down to 1:2.
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