Math

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A local computer center charges non-members $5.00 per session to use the media center. If you pay a membership fee of $25, you pay only $3 per session. Write an equation that can help you decide whether to become a member then solve the equation and interpret the solution.

  • Math -

    You save $2 per session. How many sessions do you have to have to equal or exceed your membership fee?

    I hope this helps. Thanks for asking.

  • Math -

    C1 = 5x (non-members)
    C2 = 3x + 25 (members)

    So by equating these two functions, we can find out for how many sessions (x) it would be better to become a member.

    5x = 3x + 25
    2x = 25
    x = 12.5 (12 or 13, we can't have half a session)

    check: for 13 sessions
    C1 = 65
    C2 = 64

    So for 13 or more sessions it would be cheaper to become a member, for sessions less than 13 the "pay-as-you-go" plan would be cheaper.

    BTW Amber, it is not a good idea to use your full name on a public webpage like this. Your first name or some nickname is sufficient.

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