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Math Help - help help help yr10 maths homework

  1. #1
    needhelp11
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    help help help yr10 maths homework

    howdy, heres my problem.

    Plastec makes automatic sprinkler system part for a landscaping company called evergreen systems.
    the manager of plastec determinds that the set up costs will be $3500 and that each part will cost $1.80
    to make. evergreen systems pays plastec $1000 to start the line of business and will pay $2.20 for each part thereafter.

    using the information above I managed to determine that the cost, C, and revenue, R, equations were as follows if (n) was the number of parts made....

    C = 3500 + 1.80n
    R = 1000 + 2.20n

    How do I find the breakeven point algebraically????

    Please help!!!!
    an answer and/or an explanation on how to do it would really help!
    need really soon
    Thanks!
    Last edited by needhelp11; March 10th 2008 at 11:30 PM. Reason: improve information
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  2. #2
    Grand Panjandrum
    Joined
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    Quote Originally Posted by needhelp11 View Post
    howdy, heres my problem.

    Plastec makes automatic sprinkler system part for a landscaping company called evergreen systems.
    the manager of plastec determinds that the set up costs will be $3500 and that each part will cost $1.80
    to make. evergreen systems pays plastec $1000 to start the line of business and will pay $2.20 for each part thereafter.

    using the information above I managed to determine that the cost, C, and revenue, R, equations were as follows if (n) was the number of parts made....

    C = 3500 + 1.80n
    R = 1000 + 2.20n

    How do I find the breakeven point algebraically????

    Please help!!!!
    an answer and/or an explanation on how to do it would really help!
    need really soon
    Thanks!
    The breakeven point is where the costs=revenue, so:

    3500 + 1.8 n =1000 +2.2 n

    Now you solve this for n the breakeven number of units.

    RonL
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