paredness - Simple Equations Saved National savings is equal to the sum of private savings and public savings. To make our notation a bit easier, we will ca savings S, private savings V, and public savings U. So in other words, S = V + U. If private savings "V' = 0.75S and total savings 'S' equals $4.20 billion, solve for public and private savings. Public savings: $ billion Private savings: $ billion