calculus

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john has$1.70 . he has 3 more dimes than quarter.

  • calculus -

    Calculus? You are dreaming.

    .1D+.25Q=1.70
    d-3=Q
    d=Q+3
    .1(Q+3)+.25Q=1.70
    .35Q=1.70-.3
    Q= 1.40/.35 = 4 D= 7

    Your teacher is too easy.

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