If N= ~$\frac{K}{T+\frac{x}{y}}$~,where T=~$\frac{K}{5}$~and x=5-T, which of the following expresses y in terms of N and T?
~$\frac{N(5-T)}{T(5-N)}$~
~$\frac{N(T-5)}{T(5-N)}$~
~$\frac{5N(5-T)}{T(5-N)}$~
~$\frac{5N(5-T)}{T(1-5N)}$~
~$\frac{N(5-T)}{5}$~
substitute k and x out.
K=5T
X=5-T
化简就完了 我恨...
a