Yes, a number can be a noun, or pronoun. It acts as an adjective when it appears with another noun.
No. The number fifteen can be an adjective (used with a noun) or a noun if it is just a number (e.g. "You have to count to fifteen"). It can be used as a pronoun ("Twenty people were injured and fifteen of those were hospitalized").
15+15+15+15=60
Fifteen thousand, fifteen hundred, and fifteen dollars can be written numerically as $15,515. This is because fifteen thousand is written as 15,000, fifteen hundred is written as 1,500, and fifteen is written as 15. When you add these numbers together, you get a total of 15,000 + 1,500 + 15 = 15,515.
Fifteen.
fifteen and sixty-two thousandths
"Fifteen" is an adjective when used to describe a noun, as in "fifteen people." It can also be a noun when referring to the number itself, as in "I will be there in fifteen."
No. The number fifteen can be an adjective (used with a noun) or a noun if it is just a number (e.g. "You have to count to fifteen"). It can be used as a pronoun ("Twenty people were injured and fifteen of those were hospitalized").
"Fifteen". like all the cardinal numbers, can be either a noun or an adjective. Example as a noun: Fifteen is the product of five and three. Example as an adjective: Fifteen students will be selected for the trip.
The term '15 hours' (fifteen hours) is a noun phrase, a group of words based on a noun (hours) that functions as a unit as a noun in a sentence.The noun '15' (fifteen) is functioning as an attributive noun (a noun functioning as an adjective) to describe the noun 'hours'.Examples:Fifteen hours is the estimated driving time. (subject of the sentence)We drove for fifteen hours to get here. (object of the preposition 'for')
"Fifteen proposals were sent to Congress and itpassed all of them."The noun antecedent for the pronoun 'it' is Congress.The noun antecedent for the pronouns 'all' and 'them' is proposals.
"Fifteen proposals were sent to Congress and all of thempassed."The pronoun 'them' takes the place of the noun 'proposals', the antecedent.The word 'all' is also a pronoun, an indefinite pronoun. The antecedent is the noun phrase 'fifteen proposals'.
The plural possessive form is workmen's.
15+15+15+15=60
Fifteen feet is fifteen feet long.
Fifteen thousand, fifteen hundred, and fifteen dollars can be written numerically as $15,515. This is because fifteen thousand is written as 15,000, fifteen hundred is written as 1,500, and fifteen is written as 15. When you add these numbers together, you get a total of 15,000 + 1,500 + 15 = 15,515.
You seem to be having trouble figuring out which word is the noun that needs to be the plural. Which thing do you have more of - twenty, year, or old? Twenty years is the modifier for old. You have two twenty year olds.
Fifteen.