At first we take 10 boxes of grid,
In which every box shows 10 percent,
Therefore, full grid shows 100 percent.
In this grid,
[tex]30\text{percent }=18[/tex][tex]1\text{percent =}\frac{18}{30}=0.6[/tex][tex]100\text{ percent =}60[/tex]
Therefore, 18 is 30 percent of 60.
The data in the model is
