Sue makes 50 litres of green paint by mixing litres of yellow paint and litres of blue paint in the ratio 1:4 Yellow paint is sold in 5 litre tins and each tin of yellow paint costs £38
Blue paint is sold in 10 litre tins and each tin of blue paint costs £58
Sue sells all the green paint she makes in 10 litre tins at £89.32 per tin
Work out Sue's percentage profit on each tin of green paint she sells