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04-02-2020
Mathematics

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On Naomi's cell phone plan, the amount she pays each month for international text messages is proportional to the number of international texts she sends that month. Last month, she paid $3.20 for 16 international texts.
A. What is the constant of proportionality in this proportional relationship?
B. Write an equation to represent this proportional relationship. Make sure to define the variables you use.

Respuesta :

11-02-2020

A. Constant of proportionality in this proportional relationship is; k=5

B. Equation to represent this proportional relationship is : c=t/k

Step-by-step explanation:

A.Given that : the amount she pays each month for international text messages is proportional to the number of international texts she sends, then

$3.20 k = 16 ---------where k is the constant of proportionality

k= 16/3.20 =5

k=5

B. Let c be the cost of sending the texts per month and t be the number of texts sent per month , so

c=t/k

c=t/5 ---------- is the proportionality relationship.

For t=16 , c= 16/5 =$3.20

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Proportionality :https://brainly.com/question/11490054

Keywords: cell phone plan, month, international texts, proportional,paid

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