contestada

Ashley's cell phone costs $5 per month plus 10 cents per minute. Her friend's costs $3 per month plus 15 cents per minute. For what amount of talking time will the cost of these plans be the same?

Respuesta :

Answer:40 min

Step-by-step explanation:

5+.10x=3+.15x

-.10. -.10

5= 3+.05x

-3. -3

2=.05x

Divide by .05

X=40

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