The other voices in the cast also were known quantities.
A defined medium will have known quantities of all ingredients.
His psi capacities were known quantities, and he used them quietly so the Board couldn't object.
All of these pitchers are known quantities - they have enjoyed success in the major leagues.
By now, the players were known quantities, their fortunes dependent upon him.
These are usually known quantities that are very expensive productions and have a guaranteed audience because of their location.
"They're known quantities, and people will feel safer with those."
Both were known quantities before they arrived in New York and both have continued their careers elsewhere.
Most of the Senate Republicans who will advance to chairmanships are known quantities.