Question

3 Luke wants to cover this wall with blue paint.
7 m
1. 6 m
3. 6 m
wall
door
6. 1 m
He will buy blue paint in 2. 5 litre tins.
Each 1 litre of blue paint will cover 8 m? of the wall.
How many tins of blue paint does Luke need to buy?
(5)​