## Prealgebra (7th Edition)

Since $20\gt30$ and x% of 20 is 30, x must be greater than 100. $x\%\times20=30$ $\frac{x}{100}\times20=30$ $\frac{20x}{100}=30$ $\frac{20x}{100}\times100=30\times100$ $20x=3000$ $20x\div20=3000\div20$ $x=150\%$