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Zach has a basic cell phone plan that does not include texting. He is going to add a texting package to his cell phone plan. He has two choices of texting packages, A and B. Package A charges $0.15 per text in addition to a $12 monthly fee for the texting package. Package B charges $0.20 per text, but has no monthly fee. Part A Write an equation that represents the total cost for each texting package if any amount of texts are sent. Be sure to define the variables you are using for your equation. Define the variables: ___________________________________________________________________________ Package A Equation: ___________________________________________________________________________ Package B Equation ____________________________________________________________________

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Answer:

Package A :

y = $12 + 0.12x

Package B:

y = 0.20x

Explanation:

Given :

PACKAGE A:

Monthly Fee = $12

Charge per text = $0.12

PACKAGE B :

Monthly Fee = $0

Charge per text = $0.20

Let the number of text messages sent in a month be represented as x ;

TOTAL MONTHLY FEE, y :

package A :

y = $12 + 0.12x

Package B :

y = $0 + 0.20x

y = $0.20x

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