9.
Hanif makes green paint by mixing blue paint and
yellow paint in the ratio
blue: yellow = 7:3
He buys blue paint in 50 litre containers, each costing £225
He buys yellow paint in 20 litre containers, each costing £80
He wants to sell the green paint in 5 litre tins.
Make 40% profit on each tin.
How much should he sell each tin for?