Mathematics

21 April, 17:09

The phone company charges a flat rate of $2.75 plus an additional $0.25 each minute for a long-distance phone call.

a) Write an equation to represent the total cost of making a long-distance phone call.

b) What will be the total cost of a 15-minute phone call?

c) You want to make a long-distance phone call to your grandparents. you have $11 to spend on the call. how long can you talk to your grandparents?

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