Question from Irena:

How do you find begrining inventory if after 10% increase in supply you got 27.5 units

Hi Irena,

If the beginning inventory is B units then adding 10% is adding 0.10 × B units. The result is then 27.5 units so

B + 0.10 × B = 27.5

that is

1.10 × B = 27.5

Solve for B.

Penny