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Alex purchased a hour calling card.he has used t minutes of access time.write an algebraic expression to represent how many minutes he has remaining and identify the units for the expression
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Alex purchased a hour calling card.he has used t minutes of access time.write an algebraic expression to represent how many minutes he has remaining and identify the units for the expression

User Bartek Kosa
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1 Answer

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60-t, with t representing how much time he has spent, since 60 is the max (t can not go above that, and when t=60 you're done)
User Iraklii
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