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Math Help - percentage

  1. #1
    Junior Member
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    percentage

    A dealer gives a 25 percent discount on the list price of a radio and still makes 40% profit on the cost price of the radio .if the cost the radio is 30$ then what is the list price of the radio .
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  2. #2
    Senior Member
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    Hi bluffmaster.roy.007

    let :
    x = the list price of the radio
    y = the cost the radio = $30

    The dealer gives a 25 percent discount on the list price of a radio ----> he sells it with price 0.75 x

    still makes 40% profit on the cost price of the radio -----------------------> he gets 1.4 y

    Can you continue ?
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  3. #3
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    yes thanks ..
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