16. A wooden toy kit has different painted solids. One solid is a cuboid with dimensions 2 cm, 5 cm and 8 cm.

a) Find the surface area of the cuboid?
b) Find the volume of the cuboid?
c) One can of paint covers 40 m2. Each cuboid is painted with one coat of
paint. How many cuboids can be painted with one can of paint?
d) If the height of the cuboid is tripled, by how much does the volume
increase?

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