Bob is going to make some orange paint. He needs to mix red paint, yellow paint and white paint in the ratio 5 : 4 : 1

Bob wants to make 900 ml of orange paint.

Bob has 400 ml of red paint 300 ml of yellow paint 200 ml of white paint

Does Bob have enough red paint, yellow paint and white paint to make the orange paint? You must show all your working.

Hence, calculate the greatest amount of orange paint Bob can make.