Respuesta :
Answer:
i believe A and C
Step-by-step explanation:
Total marbles 18
10 red
5 blue
3 green
Answer is A and D
explanation
ratio of red marbles to blue marbles = red marbels / blue marbels = 10/5 = 2/1
ratio of all marbels to red marbels = all marbels / red marbels = (10+5+3)/10
= 18/10 = 9/5