If there are only two buyers in the market, then 19 units represent the market demand at a price of $6.
What do you mean by quantity?
A quality called quantity or amount can take the form of a plurality or magnitude, which shows both discontinuity and continuity. Comparing quantities can be done by using phrases like "greater," "less," or "equal," as well as by giving a numerical value that is a multiple of the unit of measurement.
What are the different forms of quantity?
There are two sorts of physical quantities. Quantities might be derived or basic. Quantities that cannot be represented in terms of any other physical quantities are referred to as fundamental or base quantities. These include size, weight, duration, electric current, temperature, brightness, and material quantity.
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