Question

2 3/4 L of paint is needed to colour 1 square metre of a wall.
How much paint is required to colour 3 1/2 square metres
of the same wall ?​

Answer 1

Answer:

As a general rule, 1 litre of paint will cover between 6 and 6.5 metres squared of wall. So, to calculate how many litres of paint you will need, divide the total paintable surface area by 6.5.