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Tom buys a new phone service. It costs $20 to install, and then costs $15 a month. Write an equation to show the cost of the phone (y) for any number of months (x). A. y=15x+20 B. y=20x+15 C. y=20x-15
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Tom buys a new phone service. It costs $20 to install, and then costs $15 a month. Write an equation to show the cost of the phone (y) for any number of months (x).

A.
y=15x+20
B.
y=20x+15
C.
y=20x-15
D.
15x+20y=35

User Pyae Phyoe Shein
by
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1 Answer

3 votes
The answer would be A, or
y = 15x + 20

Since every month it charges you 15$, and you pay an initial fee of 20$, then the answer would be
20 + 15x = y.

And if we rearrange it, it would give us:
y = 15x+20.

Hope this helped! c:
User Matan Bobi
by
5.9k points
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