SOLUTION: a phone company charges a flat fee of $100 for one phone installation plus $40 for each additional phone jack. how many iphone could be installed for $420?

Question 1021577: a phone company charges a flat fee of $100 for one phone installation plus $40 for each additional phone jack. how many iphone could be installed for $420?
Answer by Fombitz(32388) (Show Source): You can put this solution on YOUR website!
An Iphone doesn't need a jack so I'll assume you mean a landline phone.

8 jacks can be installed.
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