Given that T=kx/y, find the percentage increase in T when K, x and y all increase by 20%
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The relation between T, k, x and y is `T = (k*x)/y`
If k, x and y are increased by 20%, the result is
`T' = (k*1.2*x*1.2)/(y*1.2)`
The percentage increase in T is 20%.
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