Illa has a cell phone plan. She tells you that after 8 months, she has paid a total of $760 and after 10 nonths, she has paid a total of $840. She does not remember the cost of the phone. et's start by converting these to coordinates (m, C) where the inputs, m, are the number of months ince Ella bought the phone, and the outputs, C, represent the total cost that Ella has paid after that many months. Coordinate for eight months: Coordinate for ten months:

Algebra and Trigonometry (6th Edition)
6th Edition
ISBN:9780134463216
Author:Robert F. Blitzer
Publisher:Robert F. Blitzer
ChapterP: Prerequisites: Fundamental Concepts Of Algebra
Section: Chapter Questions
Problem 1MCCP: In Exercises 1-25, simplify the given expression or perform the indicated operation (and simplify,...
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Ella has a cell phone plan. She tells you that after 8 months, she has paid a total of $760 and after 10
months, she has paid a total of $840. She does not remember the cost of the phone.
Let's start by converting these to coordinates (m, C) where the inputs, m, are the number of months
since Ella bought the phone, and the outputs, C, represent the total cost that Ella has paid after that
many months.
Coordinate for eight months:
Coordinate for ten months:
Transcribed Image Text:Ella has a cell phone plan. She tells you that after 8 months, she has paid a total of $760 and after 10 months, she has paid a total of $840. She does not remember the cost of the phone. Let's start by converting these to coordinates (m, C) where the inputs, m, are the number of months since Ella bought the phone, and the outputs, C, represent the total cost that Ella has paid after that many months. Coordinate for eight months: Coordinate for ten months:
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