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29 March, 08:04

A cell phone company charges a flat rate of

$2.50 per month, with an additional charge

of $0.15 per minute. How many minutes

did Laura talk on her cell phone if her

monthly bill was $72.25?

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Answers (1)
  1. 29 March, 09:24
    0
    465 minutes or 8 hours and 15 minutes

    Step-by-step explanation:

    her monthly bill was 72.25 and she has to pay 2.50 per month

    72.25 - 2.50 = 69.75

    69.75 / 0.15 = 645 minutes

    645 minutes / 60 minutes = 7.75 = 8 hours 15 minutes
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