1.) what number is 20 2/3 of 300?
2.) 24 is what percent of 192?
3.) 20 is 12.5% of what number?
1. $\displaystyle 20\frac{2}{3} \times 200 = \frac{62}{3} \times 200 = ...$
2. Let x% of 192 = 24, then $\displaystyle \frac{x}{100} \times 192 = 24$
can you calculate x from here?
3. let 12.5% of x = 20. then $\displaystyle \frac{12.5}{100} \times x = 20$
use your calculator to find "x"