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31 January, 20:18

Customers of a phone company can choose between two service plans for long distance calls. The first plan has no monthly fee but charges $0.15 for each

minute of calls. The second plan has a $20 monthly fee and charges an additional $0.11 for each minute of calls. For how many minutes of calls will the costs of

the two plans be equal?

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Answers (1)
  1. 31 January, 20:27
    0
    500 minutes

    Step-by-step explanation:

    0.15 x = 20 + 0.11 x

    0.15 x - 0.11 x = 20

    0.04 x = 20

    x = 20/0.04 = 2000 / 4 = 500
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