Leo has a recipe for 20 pancakes.
Here is a list of ingredients for 20 pancakes.
Plain flour : 250g
Milk : 450ml
Butter : 100g
Eggs : 2
Leo wants to make 30 pancakes.
Complete his new list of ingredients for 30 pancakes.
Plain flour : .....
Milk : .....
Butter : .....
Eggs : .....
Leo has only 2 litres of milk. He has plenty of the other ingredients.
Work out the maximum number of pancakes that Leo could bake.