1. Find the volume of the cuboid below
Find the volume of the cuboid below. Give your answer in its simplest form.
The outside of the cuboid below is to be painted.
It is fixed to the ground so the base does not need to be covered.
The top is to be painted white, and the sides are all to be painted red.
If the ratio of the cost of white paint to red paint is 2:3, work out the ratio of the total cost of white paint to red paint needed.
2x + 3
x - 1 x 4x x 2x
The density of the cuboid is 400kg/m3. Find the mass.
A cuboid with integer dimensions has volume 48cm3.  Find the smallest and largest possible surface areas of the cuboid.
50cm
40cm
80cm