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Physics

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Please help!
suppose you have some 20 degrees celsius water and some boiling water. How much of each would you use to make 4 kilograms of water at 45 degrees celsuis?

  • Physics - ,

    let M be the cool water, m be the boiling water.


    Mc(45-20)+mc((45-100)=0
    where M+m=4


    M(25)+(4-M)(-55)=0 solve

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