Quantity in a sentence as a noun

Wow, the sheer quantity of unhelpful advice in this thread is simply mind boggling.

They are a known quantity AND they have enough loyalty that they probably won't bolt the instant they are able.

Instead of optimizing scope, quality, or quantity of the product, optimize the schedule.

People may be willing to drive farther to work, increasing sprawl, and also dropping the quantity demanded for housing near the core, dropping prices.- public transit disappears?

The "value of money" for an individual begins to diminish quickly once it surpasses the quantity required to comfortably survive.

Immersion methods, like the French Press, leave all coffee beans in the full quantity of water for the brew time, and by using filters that remove only coffee grounds, produce a flavorful, full-bodied cup of coffee with natural oils.

Both of them do it in part reaction to the fact that if they didn't experienced talent would be available too infrequently and priced too high for them to hire the quantity which they want to hire, which strikes me as a common enough problem that other companies probably adopt quietly the policies those guys adopt publicly.

Quantity definitions

noun

how much there is or how many there are of something that you can quantify

See also: measure amount

noun

an adequate or large amount; "he had a quantity of ammunition"

noun

the concept that something has a magnitude and can be represented in mathematical expressions by a constant or a variable