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The cost of a telephone call is $0.75 + $0.25 times the number of minutes. Write an algebraic expression that models the cost of a telephone call that lasts t minutes.
The algebraic expression that models the cost of a telephone call that lasts t minutes is $0.75 + $0.25t.
To write an algebraic expression that models the cost of a telephone call that lasts t minutes, we can use the given information:
The cost of a telephone call is $0.75 (the base cost) plus $0.25 times the number of minutes (t).
Therefore, the algebraic expression is:
Cost = $0.75 + $0.25t