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Math Help - Help urgently!

  1. #1
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    Unhappy Help urgently!

    I have no clue how to work out the revenue for my assignment? please help.

    "a surfboard company produces a particluar style of thongs. the fixed cost to set up production is $1500 and the cost to produce each pair of thongs is $2.50"

    a) write an expression for the revenue (R dollars) earned if the thongs are sold for $14.95.

    then complete this table

    number of pairs 0 100 200 300
    revenue


    please help me.
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  2. #2
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    Hello, fridayweed!

    I have no clue... . really?

    A surfboard company produces a particluar style of thongs.
    The fixed cost to set up production is $1500
    and the cost to produce each pair of thongs is $2.50

    a) Write an expression for the revenue (R dollars) earned if the thongs are sold for $14.95.
    Let x = number of thongs produced.

    They will cost 2.50x dollars to produce.
    They will bring in 14.95x dollars
    There is a fixed cost of $1500.

    The revenue (income) is: . -1500 - 2.50x + 14.95x

    Therefore: . R \;=\;{\color{blue}12.45}x - 1500



    b) Complete this table

    . . \begin{array}{c|cccc} <br />
\text{No. Pairs} & \;\;0\, & 100 & 200 & 300 \\ \hline<br />
\text{Revenue} & \end{array}

    Just substitute x = 0, 100, 200, 300 into the revenue function in part (a).



    Edit: corrected my blunder.
    . . . .Thanks for the heads-up, Prove It !
    Last edited by Soroban; August 19th 2008 at 07:39 AM.
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  3. #3
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    Quote Originally Posted by Soroban View Post
    Hello, fridayweed!

    Let x = number of thongs produced.

    They will cost 2.50x dollars to produce.
    They will bring in 14.95x dollars
    There is a fixed cost of $1500.

    The revenue (income) is: . -1500 - 2.50x + 14.95x

    Therefore: . R \;=\;14.95x - 1500



    Just substitute x = 0, 100, 200, 300 into the revenue function in part (a).
    It'd actually be
    R=12.45x-1500. You forgot to subtract the 2.50x
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