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March 29, 2017

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Given that T=kx/y , find the percentage increase in T when k, x and y all increase by 20%.

  • maths - ,

    T = kx/y
    (1.2k)(1.2x)/(1.2y) = 1.2 kx/y = 1.2T
    so, T increases by 20%

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