Answer:
I'm pretty sure she would need 8 ounces of yellow paint.
Explanation:
Blue: Yellow
3: 2 = 5
6: 4 = 10
9: 6 = 15
12: 8 = 20
So she will need 8 ounces of yellow paint to get 20 ounces of the desired mixture.S
4.7m questions
6.1m answers