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25 December, 21:50

A cell phone company charges a flat rate of $3.99 per month, with an additional charge of $0.05 per minute. How many minutes did Casey talk on her cell phone if her monthly bill was $38.44?

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Answers (2)
  1. 25 December, 22:05
    0
    689 minutes
  2. 25 December, 22:18
    0
    689 minutes

    Step-by-step explanation:

    3.99 + 0.05x

    38.44=3.99 + 0.05x

    38.44-3.99=34.45

    34.45/0.05=0.05/0.05

    x=689minutes
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