A cell phone company charges $50 for the phone plus a monthly service charge for $30. The equation below describes the total cost y after x months. y = 30x + 50 which is true of the relationship between x and y?

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Answer:

To find total, we'll need to add all the costs! There's the cost for the phone which is paid once, monthly fee for all the months you use it.

total = 50 + (30 × months )

In this case, the question wants the equation in x and y, so we can plug those in:

y = 50 + 30x