Color 4 balls red, 3 balls green, 1 ball yellow, and 1 ball blue. OOO00 DOO 1. What is the ratio of red balls to green balls? 2. What is the ratio of yellow balls to the number of total balls? 3. What is the ratio of yellow balls to red balls? 4. What is the ratio of blue balls to green balls? 5. Now, draw three more balls to the picture. Color them black. What is the ratio of black balls to red balls?​