Xander Q.

asked • 09/06/17

Grade 9 math question! Need help asap!

A company offers internet for a maximum of 10 GB for $36. The costs of additional fees are $2.15/GB. Write an equation to represent this relation.

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Talia L. answered • 09/06/17

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If the company allows the first 10 GB to go for $36 and each additional GB to cost $2.15 then the following equation would represent the cost of internet GB's over 10 GB:
 
C = 36 + 2.15 |G-10|
 
Where C stands for the cost of internet service & G stands for the amount of GB's in the plan, assuming 10 is the minimum. 
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Xander Q.

First of all, thank you so much for answering my question! So the equation is C=36+2,15x? If the amount of GB is less than 10GB, (for example) would x=-5 to represent 5GB because it is less than 10GB? And if the amount of GB is more than 10GB , would x=5 to represent 15GB?
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09/06/17

Xander Q.

Thank you again by the way! I understand now!
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09/06/17

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