Representing ratio

Maths

I have 5 yellow counters and 7 green counters. What fraction of the counters are green?

I have a bag of pink and brown cubes. 5/11 of the cubes are pink. What is the ratio of pink cubes:brown cubes?

5 litres of red paint and 8 litres of yellow paint are mixed to make orange. Which of these would give the same shade of paint?

Squash and water are mixed in the ratio 2:5. Which other drink will taste the same?

Purple paint is made by mixing blue paint and red paint in the ratio 4:3. How much blue paint is needed to mix with 24L of red paint?