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Math Help - Mixture With Prices Question

  1. #1
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    Unhappy Mixture With Prices Question

    The question is:
    Growell sells GradeA grass seed at 12cents per ounce and GradeA PLUS for 35cents per ounce.What is the cost of a 1 pound mixture containing 10 ounces of GRadeA with the rest GradeA plus ?
    According to the book the answer is 3.30 dollars. But i am getting 0.20 cld anyone tell me what i ma doing wrong. Here is my work

    GradeA seed 10 ounce 10x12 = 120cents or $1.2
    GradeA PLUS seed 6 ounce 6x35=210cents or $2.1
    Mixture 16 ounce Equation
    Equation: 16x = 1.2+2.1
    16x =3.3
    x = $0.20 Ans
    Is this correct ??
    Last edited by MikeNoob; May 29th 2012 at 03:40 PM.
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  2. #2
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    Re: Mixture With Prices Question

    As you found out, the grade A part of the pound costs $1.2 and the grade A PLUS part of the pound costs $2.1. How much does the whole pound costs?
    Thanks from MikeNoob
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  3. #3
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    Re: Mixture With Prices Question

    Okay so i did a little thinking and i realize that if I just 1.2+2.1 = 3.3 which is the answer.
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  4. #4
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    Re: Mixture With Prices Question

    @emakarov.
    I actually established an equation similar to the one in Link

    Now i realize that i am suppose to just add the two values
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