egli2008
contestada

In Jaunary your Verizon cell phone bill costs $12 for 80 minutes and in March your bill costs $9 for 60 minutes.

A) Determine whether the rate at which you are being charged for your phone bill is proportional to the amount of minutes being used. Explain.

Respuesta :

tahsinahnaf

Both rates are same when you divide them. 80/12= 6.6667 and 60/9= 6.667.

So, 6.6667 is the rate for each minute

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