Cell phone company a charges $20 per month plus $0.05 per text message. cell phone company b charges $10 per month plus $0.07 per text message. is there any number of text messages that will result in the exact same charge from both companies?

Answer : The number of text messages that will result in the exact same charge from both companies is, 500

Step-by-step explanation :

Let the number of text messages be, 'x'

Cell phone company A charges $20 per month plus $0.05 per text message. Thus, the equation will be:

    ............(1)

Cell phone company B charges $10 per month plus $0.07 per text message. Thus, the equation will be:

       ............(2)

Now equating equation 1 and 2, we get:

Thus, the number of text messages that will result in the exact same charge from both companies is, 500

answer:

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