Mathematics, 14.01.2021 15:20 CristianPaz

One cell phone company charges a $76 sign-up fee and $40 per month. Another cell phone company charges $136 sign-up fee and $20 per month. Write and solve an equation to determine after how many months the cost is the same

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One cell phone company charges a $76 sign-up fee and $40 per month. Another cell phone company charg...