21% +
A box is a cuboid with dimensions 26 cm by 15 cm by 20 cm all measured
to the nearest centimetre.
Disc cases are cuboids which measure 1.6 cm by 14.2 cm by 19.3 cm all
measured to the nearest millimetre.
If the disc cases are stacked as shown, show that it may not be possible
for 16 cases to fit in the box