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Mathematics 16 Online
OpenStudy (anonymous):

Tom buys a new phone service. It costs $20 to install, and then costs $15 a month. Write an equation to show the cost of the phone (y) for any number of months (x).

OpenStudy (igreen):

\(y = 20 + 15x\) is your equation.

OpenStudy (igreen):

You can give medals by clicking 'Best Response'. @poohbear12345

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