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A cell phone provider offers a plan that costs ​$30 per month plus ​$0.10 per text message sent or received. A comparable plan costs ​$50 per month but offers unlimited text messaging. Complete parts a. and b. below.

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gypsyhorse4me
The equations would look like this:
y = 0.10x + 30m
y = 50m

Y = total
x = per text message
m = number of months.

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