$3{\displaystyle \frac{1}{5}}t={\displaystyle \frac{16}{5}}t={\displaystyle \frac{16}{5}}\cdot 1000kg={\displaystyle \frac{16000}{5}}=3200kg3\backslash dfrac\{1\}\{5\}t=\backslash dfrac\{16\}\{5\}t=\backslash dfrac\{16\}\{5\}\backslash cdot1000kg=\backslash dfrac\{16000\}\{5\}=3200kg$