SOLUTION: nextel has an initial fee of 125 dollars and charges 50 dollars a month.at&t has an initial fee of 75 dollars and charges 60 dollars per month.after how many months will the cost b

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Question 700848: nextel has an initial fee of 125 dollars and charges 50 dollars a month.at&t has an initial fee of 75 dollars and charges 60 dollars per month.after how many months will the cost be the same?
Answer by neatmath(302) (Show Source):
You can put this solution on YOUR website!

We need to set up some equations:

Where T is our total cost, and x is the number of months.

In order to find the number of months (x) where the total cost is equal,

just set the two equations equal to each other:

It appears that the total costs will be the same at the 5-month mark.

Prior to 5 months, Nextel will be more expensive.

After 5 months, AT&T will be more expensive.

I hope this helps! Keep practicing! :)

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