Math

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the international links long-distance phone company charges no monthly fee but charges 18 cents per minute for long-distance calls. the world connections long distance company charges $50 per month plus 10 cents per minute for long-distance calls. compare the world connections long-distance plan to that of international links. under what circumstances is it cheaper to use international links?How to explain my reasoning?

  • Math -

    .18x International Links
    50 + .10x World Connections

    .18x <50 + .10x

    solve for x.

    The inequality shows where International would be less than World.

  • Math -

    It would be less then the World because of the international and if you add the cost of how much it is the answer shows you that it's less.

  • Math -

    Definitely International. Just looking at the problem, you would already agree that International is way cheaper.

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