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yashar806

  • 3 years ago

Each time a customer uses a prepaid long-distance calling card, she is charged a $1.50 connection fee, plus $0.25 per minute of talk time. The times (in minutes) for a for the customer's first seven calls are shown below:

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  1. yashar806
    • 3 years ago
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  2. yashar806
    • 3 years ago
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    can you explain it ?

  3. yashar806
    • 3 years ago
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    hello?

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