A bag contains 5 blue, 3 red, 6 green, 9 orange, and 20 black marbles. What is the ratio of the number of blue marbles to the number of marbles that are orange or green?

Answer:
C
Step-by-step explanation:
blue+green=15
blue is 5
5 to 15
Answer:the answer is C
Step-by-step explanation:there are 5 blue marbles then you add 6 green and 9 orange, that makes 15 so your answer is 5 to 15