The mePhone Challenge

Team: 
(MJ)^2
Topic: Algebraic Expressions & Equations
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James has been hoping to get a mePhone 6z for a long time. When he does not exactly get what he wanted for his birthday, he is presented with another opportunity to obtain the phone. Will James be successful in getting his wish or will he be disappointed again?

Problem 34: The price P, in dollars, that AppCo charges annual subscribers for downloading x smartphone applications is calculated using the formula P = 5 + 1.25x. If a subscriber downloaded 25 applications during a year, what was the average cost per application?

Common Core Standards: F-IF.2
Problem #: 
34 (2015-2016)
Problem Difficulty Level: 5 [?]