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Mathematics, 11.11.2020 20:20 coltbergstrom

Kerry has a new cell phone plan. It works by charging $20 per month and then $0.10 for each minute over 200 minutes.
Write an equation for the amount of extra minutes, x, billed if Kerry's cell phone bill was
$40, and then solve the equation.

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Answers: 3

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Kerry has a new cell phone plan. It works by charging $20 per month and then $0.10 for each minute...
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