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Concept

Quantity

A quantity is a value that represents the amount of something. It is the answer to the question of "how much?" or "how many?" The quantity of something can be expressed in different units of measure. Consider the following example.
Expressing the quantity in different ways
The quantity of the given rice can be expressed as a bowl of rice. It can be measured and calculated as grams. It can also be counted as grains. Quantities are discrete, such as counting the number of tickets, or continuous, such as measuring the age of a person.

A quantity can be represented not only by a number but also by variables or algebraic expressions.

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