', '\
', '
\text{CPM} = \left( \frac{\text{Total Cost}}{\text{Ad Impressions}} \right) \times 1,000
\text{Total Cost} = \left( \frac{\text{CPM} \times \text{Ad Impressions}}{1,000} \right)
\text{Ad Impressions} = \left( \frac{\text{Total Cost}}{\text{CPM}} \right) \times 1,000
$ \text{CPM} = \left( \frac{\text{Total Cost}}{\text{Ad Impressions}} \right) \times 1,000 $
$ \text{Total Cost} = \left( \frac{\text{CPM} \times \text{Ad Impressions}}{1,000} \right) $
$ \text{Ad Impressions} = \left( \frac{\text{Total Cost}}{\text{CPM}} \right) \times 1,000 $