Math

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Write an algebraic expression to represent the cost of m gallons of gasoline if each gallon costs $1.45

Is this right M-$1.45

  • Math -

    No.

    Why would you subtract?

    If one gallon costs 1.45, what does 2 gallons cost? How do you know?

  • math -

    Two gallons cost $2.90. You have to add

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