\(\frac{30}{100}x=100\\ =>x=\frac{100}{\frac{30}{100}}\\ =>x=100.\frac{100}{30}\\ =>x=\frac{1000}{3}\)\(\frac{30}{100}x=100\\ =>x=\frac{100}{\frac{30}{100}}\\ =>x=100.\frac{100}{30}\\ =>x=\frac{1000}{3}\)\(\frac{30}{100}x=100\\ =>x=\frac{100}{\frac{30}{100}}\\ =>x=100.\frac{100}{30}\\ =>x=\frac{1000}{3}\)\(\frac{30}{100}x=100\\ =>x=\frac{100}{\frac{30}{100}}\\ =>x=100.\frac{100}{30}\\ =>x=\frac{1000}{3}\)
\(\frac{30}{100}x=3^1_5\)
\(=>\frac{30}{100}x=\frac{16}{5}\)
\(=>x=\frac{\frac{16}{5}}{\frac{30}{100}}\)
\(=>x=\frac{16}{5}.\frac{100}{30}\\ =>x=\frac{32}{3}\)