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Vin pays verizon a monthly fee of $55 for his Cell phone. He also pays $0.30 for each text.

If his cell phone bill for October is $90 .10 how many text messages did he send?


Part A: write an equation to solve the problem

____________________________

Part B:

Show the steps you took to solve the problem



Part C: explain how you found how many text messages Vin sent in the month of October.

Respuesta :

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Part A: 

90.10 = 0.30x + 55

Part B:

Subtract 55 from both sides

 90.10 = 0.30x + 55
-55                   -55
__________________
35.10 = 0.30x

Next, you need to isolate the variable so you must divide both sides by 0.30. You should get:

117 = x

Vin sent 117 text messages that month.

Part C: (this part is a bit unclear, though I will try to answer it as best I can)

I found the number of text messages Vin sent in the month of October by creating an equation that outlined his bill and solving it.

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