Respuesta :

The recipe is 3 oz blue + 2 oz yellow = 5 oz green.

So 20 oz of green requires the ingredients to be multiplied by 4.

12 oz blue + 8 oz. yellow = 20 oz. green

Or 20 ounces

The mixture  is 3 oz blue + 2 oz yellow = 5 oz green.

So, 5 goes into 20, 4 times..

Good luck!