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You’re trying to decide which cell phone plan to purchase. Plan A charges $40 for a new phone and $20 a month for usage. Plan B provides the phone for free, but has a fee of $30 s month for usage. Write an equation to represent each plan.

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naamahmurphy23

A = 40 + 20x

B = 30x

These answers would just be the equations because Plan B would eventually catch up to Plan A so Plan B is the best option.

m = fee per month for usage

y = total cost/payment


Plan A

y = 20m + 40 (you buy the phone for $40, which is a one time purchase, and have to pay $20 each month)


Plan B

y = 30m (only have to pay $30 each month)