Turning Green

What would you do to make twice as much green paint in the cylinder on the right?

Write a ratio sentence for the new batch on the right.

Someone was trying to make the same shade as the original single batch but started by adding 20 ml of blue and 20 ml of yellow. How much blue coloring and yellow coloring would they need to add to create a matching green color?

Which ratio would produce a bluer shade of green compared to the original recipe?