SOLUTION: A telephone call costs c cents for the first 3 minutes and 12 cents for each additional minute. Write and solve an equation to find the total cost of 25 minutes call?

Algebra ->  Coordinate Systems and Linear Equations  -> Linear Equations and Systems Word Problems -> SOLUTION: A telephone call costs c cents for the first 3 minutes and 12 cents for each additional minute. Write and solve an equation to find the total cost of 25 minutes call?       Log On


   



Question 805728: A telephone call costs c cents for the first 3 minutes and 12 cents for each additional minute. Write and solve an equation to find the total cost of 25 minutes call?

Answer by stanbon(75887) About Me  (Show Source):
You can put this solution on YOUR website!
A telephone call costs c cents for the first 3 minutes and 12 cents for each additional minute. Write and solve an equation to find the total cost of 25 minutes call?
-----
Equation:
Cost(x) = c +12(x-3)
-----------------------------
Cost(25) = c + 12*22 = c + 264 cents
================
Cheers,
Stan H.