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Posted by arzam on Saturday, November 9, 2013 at 5:07am.

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

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

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