SOLUTION: In Picton, New Zealand the weekday rate for a telephone call to the United States is $ 0.75 for the first minute plus $ 0.55 for each additional minute. Determine the length of Fr

Question 1066465: In Picton, New Zealand the weekday rate for a telephone call to the United States is $ 0.75 for the first minute plus $ 0.55 for each additional minute. Determine the length of Frank's call that cost $ 6.25.
I tried using the equation 0.75 + 0.55x = 6.25 which yields x=10 minutes. Unfortunately, 10 minutes is not an option (homework is multiple choice). Help?

Answer by ikleyn(52867) (Show Source): You can put this solution on YOUR website!
.
Your calculations were CORRECT.

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