1) 5 cups of yellow paint; because if 10 cups of yellow paint are used for 2 cups of blue paint, then you would use 5 cups of yellow paint to even out the pigment of one cup of blue. 2) 3 cups of blue paint, and 15 cups of yellow paint 3) 5 cups of yellow for every cup of blue paint 4) for every cup of blue paint 5 cups of yellow are used to get the same shade of green
