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A cell phone company charges a monthly fee plus $0.25 for each text message. The monthly fee is $30.00 and you owe $59.50. Write and solve an equation to find how many text messages x you had.

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  1. cost = .25x + 30
    Set the cost equal to 59.50 and solve for x

    Btw, time to get rid of those outdated textbooks.
    According to Nielsen, the average teenager now sends 3,339 texts per month. There's more, though: teen females send an incredible 4,050 texts per month, while teen males send an average of 2,539 texts.
    So your typical female teenager according to this phone company would pay
    $30 + $.25(4050) or $1042.50 per month

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